Birding sites: United States of America (4599)
- 140th St. Marsh
- 1776 Park area
- 180th St. Marsh
- 28th Street wetlands
- 8 Mile & Sportsman's Road area
- A.D. Barnes Park
- A.W. Marion SP
- Abbotts Creek
- Abilene SP
- Abrams Creek Wetlands Preserve
- Acacia Reservation
- Acadia NP
- Acadiana Park Nature Station
- Accotink Bay Wildlife Refuge
- Ackerman Nature Preserve
- Ackerman Park
- Acoaxet area
- Ada Hayden Heritage Park
- Adak Island
- Adams Lake SP
- Adams Point WMA
- Adobe Creek Reservoir
- Afton SP
- Agassiz Audubon Sanctuary
- Agassiz NWR
- Agate Lake
- Airlie Gardens
- Al Sabo Land Preserve
- Alapocas Run SP
- Alaska Wildlife Conservation Center
- Alazan Bayou WMA
- Albany Pine Bush Preserve
- Albany Riverfront Trail
- Albany WTP
- Alcoa Duck Pond
- Alcove Reservoir
- Alewife Brook Reservation
- Alexander Deussen Park
- Alfred McKethan Pine Island Park
- Algonac SP
- Algonkian Regional Park
- Allaire SP
- Allegan State Game Area
- Allegany SP
- Allen Brothers Marsh
- Allen Farm & Millican area
- Allens Meadows Park
- Allerton Park
- Alley Pond Park
- Alligator Lake Park
- Alligator Point
- Alligator River NWR
- Alpena WLS
- Alpha Ridge Park
- Alpine Lake
- Altamaha WMA
- Altona Marsh
- Alum Creek Lake
- Amberjack Environmental Park
- American Chestnut Land Trust
- American Commerce Centre Nature Preserve
- American Falls Reservoir
- Amerson River Park
- Amherst SP
- Amico Island Park
- Amistad National Recreation Area
- Amnicola Marsh
- Amoco (Marathon) Settling Ponds
- Anacostia Park
- Anahuac NWR
- Anastasia SP
- Ancarrow's Landing
- Anchor Point
- Anchorage Trail
- Anclote Gulf Park
- Andreoff Wildlife Area
- Andrew Brown Park East
- Andrew H. Hulsey State Fish Hatchery
- Andrew Molera SP
- Andrews Bird Trail
- Andrews Island Causeway
- Andrews University Campus
- Angola Neck Preserve
- Ankeny NWR
- Ann Lee Pond Preserve
- Anna Maria Island
- Annie and Abel Van Meter SP
- Año Nuevo SP
- Ansley area
- Antelope Island SP
- Antietam National Battlefield
- Antrim Park
- Anzalduas Park
- Apollo Community Regional Park
- Apple Valley Lake
- Appleton Farms
- Aqua-Terra Wilderness Area
- Aquia Landing Park
- Aransas NWR
- Arapahoe Bend Natural Area
- Arbor Hills Nature Preserve
- Arcadia Marsh & Lake
- Arcadia WLS & The Oxbow
- Arcata Marsh
- Archbishop Joseph A. Fiorenza Park
- Archbold Biological Station
- Archie Elledge Treatment Plant
- Arco Ponds
- Arena Landing
- Argo Nature Area
- Aripeka Sandhills Preserve
- Arkabutla Lake
- Arlington Reservoir
- Armand Bayou Nature Center & Bay Area Park
- Arnold Arboretum
- Arrowhead WMA
- Arrowwood NWR
- Arshamomaque Preserve
- Arthur R. Marshall Loxahatchee NWR
- Arthur W. Butler & Westmoreland Sanctuary
- Ascarate Lake
- Ash Creek
- Ash Meadows NWR
- Asheville WTP
- Ashland Nature Center and Hawk Watch
- Ashley Reservoir
- Ashmun Bay
- Ashokan Reservoir
- Ashtabula Township Park
- Aspetuck Reservoir
- Assabet River NWR
- Assateague SP and surrounds
- Assawoman Wildlife Area
- Assawompsett Ponds complex IBA
- Assiscong Marsh
- Assunpink WMA
- Astoria Park
- Asylum Lake Preserve
- Atchafalaya & Sherburne WMA
- Athens-Clarke County Landfill
- Atlanta SP (Wright Patman Lake)
- Atterbury FWA
- Attu Island
- Attwater Prairie Chicken NWR
- Atwood Lake
- Au Gres area
- Au Sable Institute of Environmental Studies
- Au Train area
- Auburn Marsh Wildlife Area
- Auburn Valley SP
- Audrey Carroll Audubon Sanctuary
- Audubon Community Nature Center
- Audubon Corkscrew Swamp Sanctuary
- Audubon Louisiana Nature Center
- Audubon Park
- Audubon's Beidler Forest Sanctuary
- Audubon's Goose Pond Sanctuary
- Audubon's Silver Bluff Center and Sanctuary
- August A. Busch Memorial CA
- Augusta Lake
- Augusta Springs Wetlands Park
- Augustine Wildlife Area
- Auke Recreation Area
- Aurora Audubon Sanctuary
- Aurora Reservoir
- Ausable Marsh WMA
- AuSable Shoreline Park
- Austin Springs area
- Avalon Dunes and Beach
- Avalon Seawatch
- Avoca Park
- B.J. Bishop Wetlands
- Babcock Webb WMA
- Back Bay Boulevard
- Back Bay NWR
- Back Cove
- Badlands NP
- Bahia Honda SP
- Bailey Island
- Baisley Pond Park
- Baker Lake
- Baker Park
- Baker Sanctuary
- Baker Wetlands
- Bakken's Pond SNA
- Balcones Canyonlands NWR
- Bald Eagle SP
- Bald Head Island
- Bald Knob NWR
- Bald Point SP
- Ballard WMA
- Ballona Freshwater Marsh
- Balmorhea Lake
- Balmorhea SP
- Baltimore Woods Nature Center
- Bamberger Nature Park & Leon Creek Greenway
- Bandera City Park
- Bandon Marsh NWR & Bullards Beach SP
- Bangor City Forest & Orono Bog
- Banner Creek Reservoir
- Banner Flats WMA
- Banshee Reeks Nature Preserve
- Bar Harbor
- Baraga Plains
- Baraga Sewage Ponds
- Barataria Preserve & Jean Lafitte NHP
- Barber Lake & Newtown Gravel Pits
- Barill Park & Mon River Trail
- Bark Camp Barrens
- Barkcamp State Park
- Barkhamsted Reservoir
- Barkhausen Waterfowl Preserve & Ken Euers NA
- Barking Slopes Conservation Area
- Barkley WMA
- Barn Island WMA
- Barnegat area (Edwin B. Forsythe NWR)
- Barnegat Lighthouse SP
- Barr Lake SP
- Barren River Lake
- Barry State Game Area & Otis Sanctuary
- Bartholomew’s Cobble
- Barton Creek Wilderness Park
- Barton Pond & Nature Area
- Baseline Reservoir
- Bashakill WMA
- Basic Creek Reservoir
- Baskett Slough NWR
- Bass Lake NR
- Bass Lake Park
- Bass Rocks
- Bastrop SP
- Batavia WTP
- Bates–Morse Mountain & Seawall Beach
- Bath Nature Preserve
- Battelle Darby Creek Metro Park
- Batterson Park
- Battery Park (Manhattan)
- Bauerle Ranch Park
- Baw Beese Lake
- Baxter SP
- Bay Beach WS
- Bay City SP & Tobico Marsh
- Bay Street Park
- Bay Street Park & Skyline Drive
- Bay View Park
- Bayfront Park & Village Point
- Bayou La Batre & Grand Bay Savanna
- Bayou Sauvage NWR
- Bayport Park
- Bayshore Live Oak Park
- Bayside Development Pond
- Baytown Nature Center
- Bazile Creek WMA
- Beach City Wildlife Area
- Bear Creek Lake Park
- Bear Creek Pioneers Park
- Bear Creek Reservoir
- Bear Creek Sanctuary
- Bear Grass Voice of America Site
- Bear Island WMA
- Bear Mountain SP & Iona Island
- Bear River Migratory Bird Refuge
- Beauvue Ponds
- Beaver Brook North Reservation
- Beaver Creek Upground Reservoir
- Beaver Fork Lake
- Beaver Island SP
- Beaver Lake Bird Sanctuary
- Beaver Lake Nature Center
- Beaver Meadow Audubon Center
- Beaverdam Creek WMA & Dobbins Farm
- Beaverdam Park
- Beaverdam Reservoir
- Beavertail SP
- Becker Lake
- Beckley Creek Park
- Bedell Bridge SP
- Bedford Reservation
- Bee Creek Park & Anderson Arboretum
- Beech Fork Lake
- Beechwood Farms Nature Reserve
- Beechwood SP
- Bell Slough State WMA
- Belle Babb Lane
- Belle Haven Park & Dyke Marsh Wildlife Preserve
- Belle Isle
- Belle Isle Marsh Reservation
- Belle Isle SP
- Bellefontaine Beach & Marsh
- Belleplain SF
- Belleville area
- Bellevue SP
- Bells Bend Park
- Bells Lane
- Bell’s Neck Conservation Lands
- Belmar Park
- Belmont Bay Marina
- Belmont Lake SP
- Belton Lake
- Beltsville Agricultural Research Center
- Beltzville SP
- Beluga
- Beluga Slough and Lake & Bishops Beach
- Belvedere (Rivanna Trail)
- Ben Hur Road area
- Benbrook Lake
- Bend Area
- Bender Park
- Bennington Lake
- Bent of the River Sanctuary
- Benton Lake NWR
- Bentsen-Rio Grande Valley SP & National Butterfly Center
- Berea College Forest
- Berlin Lake
- Berlin Pond IBA
- Bernard W. Baker Sanctuary
- Bernardo Wildlife Area
- Bernheim Arboretum and Research Forest
- Berry Road Marsh
- Berry Springs Park and Preserve
- Bete Grise Preserve
- Bethel (Yukon Delta NWR)
- Bethel Beach Natural Area Preserve
- Betsie Lake & Betsie River State Game Refuge
- Beverly S. Sheffield Northwest District Park
- Beverly Triton Nature Park
- Biddeford Pool & East Point Sanctuary
- Big & Little Webberville Park
- Big Bend NP
- Big Bend Ranch SP
- Big Bend WMA
- Big Bone Lick SP
- Big Branch Marsh NWR
- Big Creek Greenway
- Big Creek Reservation
- Big Cypress National Preserve
- Big Hill Pond SP
- Big Island Wildlife Area
- Big Johnson Reservoir & Bluestem Prairie Open Space
- Big Lagoon SP
- Big Lake
- Big Lake WMA
- Big Marsh WMA
- Big Morongo Canyon Preserve
- Big Sandy Flats
- Big Sandy Unit (Tennessee NWR)
- Big Spring
- Big Stone NWR
- Big Talbot Island SP
- Big Thicket National Preserve
- Bill Baggs Cape Florida SP
- Bill Williams River NWR
- Billy Frank Jr. Nisqually NWR
- Biltmore Estate
- Binder Lake
- Binghamton University Nature Preserve
- Bird Point
- Bird Road Sewage Ponds
- Bird Rookery Swamp
- Birdseye Street area
- Birdsong Parklands
- Birmingham Botanical Gardens
- Biscayne NP
- Bishop City Park
- Bitter Lake NWR
- Bixby Sod Farms
- Black Bayou Lake NWR
- Black Creek Marsh WMA
- Black Hill Regional Park
- Black Hoof Park
- Black Lake Park
- Black Mesa SP
- Black Moshannon SP
- Black Point & Egery Road Marsh
- Black Point Park and Marina
- Black River WMA
- Black Swamp Nature Center
- Black Walnut Point
- Blackhand Gorge SNP
- Blacklick Woods
- Blacks Creek Bird Reserve
- Blackstone Park
- Blackwater Falls SP
- Blackwater NWR
- Bladensburg Waterfront Park & Anacostia River Trail
- Blakeley Island
- Blanchard River Nature Preserve
- Blanche Katherine Novak WLS
- Blanco Shoals Natural Area
- Blanco SP & Nature Trail
- Blandair Park
- Blendon Woods Metro Park
- Bles Park
- Block Island
- Bloomingdale Bog
- Blucher Park
- Blue Cypress Park
- Blue Grass FWA
- Blue Grass Valley
- Blue Heron Wetlands
- Blue Hills Reservation
- Blue Marsh Lake SRA
- Blue Mash Nature Trail
- Blue Mounds SP
- Blue Ridge Center for Environmental Stewardship
- Blue Spring SP
- Blue Springs Lake & Lake Jacomo
- Blue Spruce Park
- Bluestone SP
- Bluewater Lake
- Bluff Lake Nature Center
- Bluff Point SP
- Bluffton University Nature Preserve
- Boardman Lake
- Bob & Betty Cummings Memorial Park
- Bob Wentz & Windy Point Park
- Bob Woodruff Park
- Bobcat Ridge Natural Area
- Boca Chica area
- Boca Ciega Millennium Park
- Bodcau WMA
- Bodega Bay
- Bodie Island
- Boerne Lake
- Boerne River Road Park
- Bog Meadow Brook Nature Trail
- Bogota WMA
- Bogue Chitto SP
- Boiler Bay
- Bois D'Arc Conservation Area
- Boland Pond
- Bolinas Lagoon
- Bolivar Peninsula
- Bolsa Chica Ecological Reserve
- Bolton Flats WMA
- Bolton Notch SP
- Bombay Hook NWR
- Bon Secour NWR
- Bonham SP
- Bonita Lakes
- Bonnet Carré Spillway
- Bonny Reservoir
- Booker T Washington SP
- Boomer Lake Park
- Boonton Reservoir
- Boot Lake Nature Preserve
- Booty's Road Park
- Bosque Del Apache NWR
- Bosque Redondo Park
- Boston Nature Center and Wildlife Sanctuary
- Boston Public Garden
- Bostwick Sod Farm
- Botetourt Center at Greenfield
- Bottle Beach SP
- Boulder Reservoir complex
- Bowditch Point Park
- Bowdoin NWR
- Bowman Reservoir
- Bowman's Beach Park
- Bowman-Haley Lake
- Boxford Wildlife Sanctuary
- Boyce Mayview Park
- Boyce Thompson Arboretum
- Boyd Hill Nature Preserve & Lake Maggiore
- Boyd Lake & Horseshoe Lake
- Boyd Pond Park
- Boykin Springs Recreation Area
- Boynton Beach Inlet Park
- Brackenridge Field Laboratory
- Brackenridge Park
- Braddock Bay and surrounds
- Bradford Farm
- Bradford Reservoir & Nike Park
- Bradley Palmer SP
- Brady Creek Reservoir
- Brady Loop
- Brainerd Levee
- Branched Oak SRA
- Brandon Farm & Taff Road area
- Brandywine Creek SP
- Branford Supply Ponds
- Brantley Lake SP
- Braswell Church Road and Cattle Ponds
- Bravo Park
- Brazoria NWR
- Brazos Bend SP
- BREC's Bluebonnet Swamp Nature Center
- Breckinridge Park
- Breezy Point
- Brenton Point SP
- Brett Gray Ranch
- Brewster Wing Island
- Brian Booth SP
- Brick Pond Wetland Preserve
- Briery Creek WMA
- Brigantine Island
- Brighton Recreation Area
- Brison Park
- Bristoe Station Battlefield
- Britton Ford (Tennessee NWR)
- Broad Cove
- Broad Meadow Brook WLS
- Broad Meadows Marsh
- Broad Pond area
- Broadford Lake
- Broadmoor Wildlife Sanctuary
- Broadwater Sun Golf Course
- Brockdale Park area
- Brockway Mountain
- Bronx Zoo
- Brooker Creek Preserve
- Brookgreen Gardens
- Brooklyn Botanic Garden
- Brooklyn Bridge Park
- Brookshire Park
- Brookville Lake
- Broughton Beach
- Brown Conservation Area
- Brown Sanctuary
- Brownfield Bog WMA
- Browns Lake
- Brownsville Landfill
- Brownsville Preserve
- Brumley Nature Preserve
- Brunswick Lakes
- Brushy Creek Lake Park
- Bryan Beach area
- Bryan Park
- Buccaneer SP
- Buck Creek SP
- Buckhorn Island SP
- Buckhorn Reservoir
- Buckner Memorial Preserve & Bald Mountain
- Bucktoe Creek Preserve
- Buena Vista Grasslands
- Buenos Aires NWR
- Buescher SP
- Buffalo Lake NWR
- Buffalo Outer Harbor & Times Beach Nature Preserve
- Buffalo River SP
- Buffalo Springs Lake & Lake Ransom Canyon
- Buford Trout Hatchery
- Bunche Beach Preserve
- Bunched Arrowhead Heritage Preserve
- Bunker Nature Preserve
- Burbank Soccer Complex
- Burke Lake Park
- Burkes Garden
- Burlington Intervale
- Burnet Woods
- Burnt Mill Creek
- Burrage Pond WMA
- Burton Wetlands
- Bush Terminal Piers Park
- Busseltown Unit (Tennessee NWR)
- Butner Game Land
- Button Bay SP
- Byers Woods
- Bystre Lake
- C J Strike WMA
- C S Mott Lake
- C&O Canal Dam #2 area
- C&O Canal North Branch
- C. Bickham Dickson Park
- C. M. Crockett Park
- Caballo Lake SP
- Cabin John Regional Park
- Caddo Lake SP & NWR
- Caesar Creek SP & Wildlife Area
- Caesars Head State Park
- Cagnon Road area
- Calaveras Lake
- Caledonia WTP
- Caley Reservation
- Calhoun Field Laboratory
- California City Central Park
- Calispell Lake
- Callaway Gardens
- Caloosahatchee Creeks Preserve (East)
- Calumet Sewage Lagoons
- Calvert Cliffs SP
- Calvert Vaux Park
- Calvin University Ecosystem Preserve
- Camas NWR
- Cambridge Reservoir
- Camden SP
- Camden WMA
- Cameron Lake Road
- Cameron Prairie NWR
- Camp Dennison Gravel Pits
- Camp Helen SP
- Camp Jordan Park
- Camp Mabry ponds and woods
- Camp Robinson State WMA
- Campbell Creek Estuary
- Canaan Valley NWR
- Canaveral National Seashore
- Cane Creek Park
- Cane Creek Reservoir
- Canfield Island & Mill Street
- Cannon Beach
- Canoa Ranch Conservation Park
- Canoe Creek SP
- Canoe Meadows Wildlife Sanctuary
- Cañon City Riverwalk
- Canonsburg Lake
- Canyon Lake
- Cape Blanco SP
- Cape Charles Natural Area Preserve
- Cape Disappointment SP
- Cape Elizabeth
- Cape Hatteras
- Cape Henlopen SP
- Cape Island (Cape May)
- Cape May Bird Observatory Center
- Cape May County Park South & Norbury's Landing
- Cape May NWR Visitor Center & surrounds
- Cape Romain NWR
- Caperton Swamp Park
- Capisic Pond Park
- Capital City Bird Sanctuary
- Capital Springs SRA
- Capitol Lake & Arsenal Park
- Caprock Canyons SP
- Captree SP & Island
- Carantouan Greenway Wildwood Nature Reserve
- Carbondale Reservoir
- Carderock Recreation Area
- Cardinal Lake
- Carillon Park
- Carkeek Park
- Carl Alwin Schenck Memorial Forest
- Carl Blackwell Lake
- Carleton College Cowling Arboretum
- Carlisle Reservation
- Carlos Avery WMA
- Carlton Jr. Memorial Reserve
- Carlyle Reservoir
- Carmel River mouth
- Carolina Beach Lake
- Carolina Beach SP
- Carolina Sandhills NWR
- Carpenter Nature Center
- Carriage Hill Metropark
- Carson Lake
- Carson River Park/Silver Saddle Ranch
- Carters Lake area
- Carver Park Reserve
- Carvins Cove Recreation Area
- Cary Institute of Ecosystem Studies
- Castaways Campground (Eagle's Nest)
- Castellow Hammock Preserve
- Castle Island & Pleasure Bay
- Castlewood Canyon SP
- Castroville Regional Park
- Catahoula NWR
- Catawba College Ecological Preserve
- Catharine Creek WMA
- Cattails Golf Course
- Cattus Island & Shelter Cove Park
- Caumsett SP
- Cave Creek Canyon
- Cave Hill Cemetery
- Caw Caw Interpretive Center
- Cayuga Lake south end
- Cayuga Lake SP
- Cedar Beach area
- Cedar Bog Nature Preserve
- Cedar Bonnet Islands (Edwin B. Forsythe NWR)
- Cedar Creek Lake
- Cedar Hill Cemetery
- Cedar Hill SP
- Cedar Island
- Cedar Key area
- Cedar Lake
- Cedar Point Environmental Park
- Cedar Point NWR
- Cedar Ridge Preserve
- Cedar Springs Park (Lake O' the Pines)
- Celery Bog Nature Area
- Celery Fields
- Cement Creek Reservoir
- Centennial Park (Howard Co.)
- Central Park
- Chagrin River Park
- Chain of Lakes Park
- Chalk Bluff Park
- Challenger Seven Memorial Park
- Chalmette Battlefield and National Cemetery
- Champion Lake (Trinity River NWR)
- Chantilly Park
- Chaparral WMA
- Chapel Trail Nature Preserve
- Chapman Ranch
- Chapmans Landing
- Chapmans Pond
- Charlemont Reservation
- Charles D. Owen Park
- Charles Memorial Park
- Charles Mill Lake
- Charles Towne Landing
- Charleston Southern University Nature Trail
- Charlestown Beach & Breachway
- Charlie Craig State Fish Hatchery
- Charlie Elliott Wildlife Center
- Charlotte Park and Wildlife Refuge
- Charlotte Town Beach
- Chatfield SP
- Chatham County Wetlands Preserve
- Chatham Sewage Lagoon
- Chattahoochee Nature Center
- Chattahoochee NRA Johnson Ferry Unit
- Chattahoochee River NRA Cochran Shoals Unit
- Chautauqua NWR
- Cheat Lake Park
- Chebacco Woods & Ponds
- Cheboygan Marsh & Gordon Turner Park
- Cheboygan SP
- Cheesequake SP
- Chelsea State Game Area
- Chenango Valley SP
- Cheney Reservoir
- Chequamegon Bay
- Cheraw Lake
- Cherokee Farm
- Cherokee Marsh
- Cherokee Park & Nettleroth Bird Sanctuary
- Cherry Creek SP
- Cherry Farm (Clemson University)
- Cherry Hill Reservoir
- Chesapeake Bay Bridge-Tunnel
- Chesapeake Bay Environmental Center
- Chesapeake Farms
- Cheshire Reservoir
- Chesney Prairie Natural Area
- Chester Creek to Ship Creek (Tony Knowles CT)
- Chester Frost Park
- Chestertown WTP
- Chestnut Grove Natural Area
- Chestnut Hill Reservoir
- Chestnut Ridge Metro Park
- Cheyenne Bottoms SWA
- Chichaqua Bottoms Greenbelt
- Chickahominy Riverfront Park
- Chickamauga Dam
- Chickasaw NWR
- Chickasaw Ponds
- Chickasawhatchee WMA
- Chico Basin Ranch
- Chicopee Reservoir
- Chicot SP
- Chihuahuan Desert Research Institute
- Chikaming Township Park & Preserve
- Chimney Bluffs SP
- Chimney Point & Champlain Bridge
- Chincoteague Boardwalk Bridge
- Chincoteague Island Nature Trail
- Chincoteague NWR
- Chincoteague Road
- Chinook Mine
- Chippewa Inlet Trail & Buckeye Woods
- Chippewa Lake
- Chippewa Nature Center
- Chippokes Plantation SP
- Chisholm Creek Park & Great Plains Nature Center
- Chiswell Islands
- Chittenden Reservoir & Lefferts Pond
- Choke Canyon SP
- Choptank Marina & Poplar Neck Marsh
- Chris Greene Lake
- Christia V. Adair Park
- Christmas Mountains
- Chuck Hollow Lane Wetland
- Churchville Nature Center
- Cibolo Nature Center
- Cimarron National Grassland
- Cincinnati Nature Center
- Circle B Bar Reserve
- City of Carson City WWTP
- Claiborne Landing
- Clam Pass Park
- Clapp Park
- Clarence Cannon NWR
- Clark County Wetlands Park
- Clark Lake
- Clark SFL
- Clark's Marsh
- Clarks Creek Nature Preserve
- Clarks River NWR
- Claude Moore Park
- Clayton Lake SP
- Claytor Lake SP
- Clear Creek Metro Park
- Clear Creek Natural Heritage Center
- Clear Creek WTP
- Clear Fork Reservoir & Ohio Bird Sanctuary
- Clear Lake
- Clear Spring Ranch
- Cleburne State Park
- Cleveland Lakefront Nature Preserve
- Cliff House Maine
- Clifton Nature Park
- Cline Road area
- Clinton Lake
- Clous and Schneider Roads wetlands
- Clove Lakes Park
- Clower-Thornton Nature Trail
- Clyde Shepherd Nature Preserve
- Coast Guard Beach & Nauset Bay
- Coastal Discovery Museum
- Cobb Lake
- Cobbs Hill Park
- Cochiti Lake
- Cockroach Bay Preserve
- Cocodrie area
- Cohoes Flats
- Colchester Pond
- Colchester Railroad Causeway
- Cold Spring Park
- Cold Springs NWR
- Coldwater Recreation Park
- Coldwater River NWR
- Colebrook River Lake
- Coleto Creek Park
- Colleyville Nature Center
- Collier-Seminole SP
- Collins Marsh SWA
- Collins Park & Lake
- Colonel Francis Beatty Park
- Colorado Bend SP
- Colorado Lagoon
- Colorado River Park WLS
- Colorado River Refuge
- Colt SP
- Columbia Audubon Nature Sanctuary
- Columbia Bottom CA
- Columbia Reservation
- Columbus Lake
- Columbus Water Works North Application Fields
- Colusa NWR
- Colyer Lake
- Comanche Trail Park
- Commons Ford Ranch Metro Park
- Concan Frio Bat Cave area
- Conchas Lake
- Concord Park
- Concord Unit (Great Meadows NWR)
- Cone Marsh WMA
- Conejohela Flats
- Conestoga Lake
- Conesus Inlet WMA
- Conewango Swamp WMA
- Coney Island Creek Park
- Conference House Park
- Confluence Park
- Congaree Bluffs Heritage Preserve
- Congaree Creek Heritage Preserve
- Congaree NP
- Conneaut Marsh
- Conneaut Sandspit & Harbor
- Connected Lakes SP
- Connecticut Audubon Society Larsen WLS
- Connemara Meadow Nature Preserve
- Conner Preserve
- Conner's Marsh Flooding SWMA
- Connetquot River SP
- Connors Lake Park
- Conoco Pond
- Conowingo Dam & Park
- Constitution Gardens and Reflecting Pool
- Constitution Lakes
- Constitution Marsh Audubon Center and Sanctuary
- Converse North Park
- Cook's Landing
- Cook's Slough Sanctuary
- Cooke Dam
- Cooks Trail
- Cooley Lake Conservation Area
- Cooper Creek Park
- Cooper Landing
- Coopers Furnace Park
- Coopersville WTP
- Copan Lake & WMA
- Copper Breaks SP
- Copper Harbor
- Copperfield Nature Trail
- Copps Pond WMA
- Coralville Lake dam area
- Corbina Road area
- Cordova area
- Core Arboretum
- Core Creek Park
- Corey Marsh Ecological Research Center
- Cornell Research Ponds area
- Cornell University Campus
- Corney Lake area
- Corporation Beach
- Corrales Bosque
- Corsica Lake
- Corson's Inlet SP
- Cotile Lake
- Cottonwood Lakes
- Council Grove Lake
- Cousins & Little John Island
- Cove Island Park & Wildlife Sanctuary
- Cove Lake SP
- Cow Meadow Park
- Cowan Lake
- Cowans Ford Wildlife Refuge
- Cox Ferry Lake Recreation Area
- Cox Hall Creek WMA
- Cox's Point Park
- Coxsackie Creek Grassland Preserve
- Coyote Hills Regional Park
- Coyote Point Recreation Area
- Crab Meadow Beach
- Crab Orchard Lake
- Crabtree Creek Wetland
- Craighead Forest Park
- Cranberry Glades Botanical Area
- Crandon Park
- Crane Beach & Castle Hill
- Crane Meadows NWR
- Crane Pond WMA
- Crane Swamp
- Cranesville Swamp
- Craney Island Disposal Area
- Creamer's Field Migratory Waterfowl Refuge
- Credit Island Park
- Creole–Cameron area (Willow Island)
- Crescent Bend Nature Park
- Crescent Lake NWR
- Creston Wetland
- Creve Coeur Lake Memorial Park
- Crex Meadows SWA
- Cricket Frog Cove
- Crockery Creek Natural Area
- Crockett Lake
- Cromwell Valley Park
- Crook Street Wetlands
- Crooked Branch Park
- Crooked Creek Lake
- Crooked River SP
- Crooked Run-Robert J Paul Memorial Sanctuary
- Crosby Farm Regional Park
- Cross Creek County Park
- Cross Creek Ranch wetlands
- Cross Creeks NWR
- Cross Lake
- Crossroads Pond
- Crosswinds Marsh
- Croton Point Park
- Crow Island State Game Area
- Crow's Nest Natural Area Preserve
- Crow-Hassan Park Reserve
- Crowley Museum & Nature Center
- Crowley WTP
- Crown Point State Historic Site
- Crownridge Canyon Park
- Crystal Cove Park
- Crystal River Preserve & Fort Island
- CSU Environmental Learning Center
- Cuba Lake
- Cuero Municipal Park
- Cuivre River SP
- Cullen Park
- Cullinan Park
- Cumberland Farms
- Cumberland Island National Seashore
- Cumberland Marsh Natural Area Preserve
- Cumberland Terminus
- Cupsogue Beach County Park
- Currituck Banks Reserve
- Curry Hammock SP / FL Keys Hawkwatch
- Curwensville Dam
- Custer SP
- Cutler Wetlands Preserve
- Cuttyhunk Island
- Cuyahoga Valley NP
- Cypress Creek NWR
- Cypress Point Park
- D & H Canal Linear Park
- D'Arbonne NWR
- Dahl Wildlife Sanctuary
- Dahlem Environmental Education Center
- Daingerfield Island
- Daingerfield SP
- Dale Walborn Reservoir
- Dale's Ridge Trail
- Dallas Southside WTP
- Dalton Highway
- Dan Daniel Memorial Park
- Danby State Forest
- Danehy Park
- Daniel Boone Park
- Dansville State Game Area
- Dashields Dam
- Dauphin Island
- David Bisset Park
- David D Terry & Willow Beach Park
- Davidsonville Park
- Davis Estate Road area
- Davis Mountains Preserve
- Davis Mountains SP
- Davis WTP
- Dawes Arboretum
- Dawson Forest
- Dead Creek WMA
- Dead Horse Ranch SP
- Dead River marshes & mouth
- Dead Stream Flooding
- Deal Island WMA
- Death Valley NP
- Deckers Creek Trail & Upper Deckers Creek WMA
- Deep Creek
- Deep Creek Lake
- Deer Creek Marsh WMA
- Deer Creek Reservoir & Berlin Mudflats
- Deer Creek SP
- Deer Flat NWR
- Deer Hill WMA
- Deer Island
- Deer Island (Boston)
- Deer Lagoon
- Deer Lakes Park
- Deere Dike Park
- Deerfield North Meadows
- Deerfield Trail
- Deering Estate
- Delaney WMA
- Delaware Park & Forest Lawn Cemetery
- Delaware Seashore SP & Burton Island
- Delaware SP & Wildlife Area
- Delnor-Wiggins Pass SP
- Delores Fenwick Nature Center
- Delta Confluence Park
- Delta Lake
- Delta Park IBA
- Demarest Lloyd SP
- Denali Highway
- Denali NP and Preserve
- Denali SP
- Denison Biological Reserve
- Denman Estate Park
- Dennings Point SP
- Depot Park
- Derby Hill Bird Observatory
- Des Lacs NWR
- Des Moines Water Works Park
- Deschutes River SP
- Deseret Ranch
- Desert NWR
- Desoto NWR
- Devil's Lake SP
- Devils River State Natural Area
- Devine Lake Park
- Dewees Island
- DeWeese Reservoir
- Dewey's Pasture WMA
- Deweys Mills
- Diamond area
- Diamond Lake
- Dick Cross WMA
- Dick Kleberg Park
- Dickens Springs Park
- Difficult Run Stream Valley Park
- Dillant-Hopkins Airport area
- Dillard area
- Dillon State Park
- Dillon Wildlife Area
- Dingman Marsh
- Dinosaur Valley SP
- Discovery Park (Seattle)
- Dismal Swamp SP
- Disney Wilderness Preserve
- Ditch Bank Road area
- Dixieland Park
- Dixon Waterfowl Refuge
- Dobbinsville & Battery Park
- Doe Run Lake
- Dolph Nature Area
- Don Edwards San Francisco Bay NWR
- Donaldson Park & Highland Park Meadows
- Donegal Lake
- Donna Reservoirs
- Donnelley WMA
- Dorbrook Recreation Area
- Dos Vacas Muertas Bird Sanctuary
- Double Trouble SP
- Doug Russell Park
- Douglas Reservoir
- Douglas-Hart Nature Center
- Downs Park
- Dowses Beach
- Dr. Von D. Mizell-Eula Johnson SP
- Dragon Run Marsh
- Drayton Plains Nature Center
- Dreher Island SP
- Drexel Rio Grande Picnic Area
- Drowned Lands Swamp Conservation Area
- Druid Hill Park
- Druid Ridge Cemetery
- Drumlin Farm Wildlife Sanctuary
- Drummond Flats WMA
- Dryden Lake
- Du Bois Reservoir
- Duck Hollow Trail
- Duck Lake
- Duck Ponds & Tierra Verde
- Duck River Unit (Tennessee NWR)
- Duck Town Park Boardwalk
- Dudney Clear Creek Nature Center
- Duke Farms
- Dulles Airport Pond
- Dulles Greenway Wetlands Mitigation Project
- Dump Marsh Preserve
- Dunback Meadow
- Dunbar Cave SP
- Dunbar Forest
- Dunbar Historical Lake
- Dunbar Slough WMA
- Dungeness Bay area
- Dunkirk Harbor & Point Gratiot
- DuPont Nature Center & Lighthouse Road
- Durand Eastman Park
- Durant Nature Preserve
- Durfee Hill Road area
- Durham Meadows
- Durland Nature Preserve
- Dutch Bottoms
- Dutch Gap Conservation Area
- Dutch Harbor (Unalaska Island)
- Duxbury Beach
- Dwight D. Eisenhower Park
- Dyar's Pasture
- Dyer-Arlemont Ranch
- E. N. Huyck Preserve
- E. N. Peeler Park
- E.A. Vaughn WMA
- E.L. Huie Ponds
- E.P. Tom Sawyer SP
- Eagle Beach SRA & River Mouth
- Eagle Bend Fish Hatchery
- Eagle Bluffs Conservation Area
- Eagle Creek Embayment
- Eagle Creek Park & Reservoir
- Eagle Harbor
- Eagle Lake
- Eagle Lake area
- Eagle Lake Refuge
- Eagle Lakes Community Park
- Eagle Marsh NP & Fox Island CP
- Eagle River Nature Center
- Eagle Slough Natural Area
- Eagleville Swamp Road area
- Earthquake Park
- East 6th Street area
- East Canyon Reservoir
- East Fork SP & Wilderness Area
- East Grand River Park
- East Harbor SP
- East Inlet WMA
- East Ithaca Recreation Way area
- East Kiawah Island
- East Lake Tohopekaliga
- East Potomac Park & Hains Point
- East River Marsh Wildlife Area
- East Rock Park
- East Sandusky Bay Metropark
- East Shore Park
- Eastern Egg Rock
- Eastern Island (Midway Atoll NWR)
- Eastern Neck NWR
- Eastern Point
- Eastern Shore of Virginia NWR
- Eastlake Seawall
- Easton WTP
- Eastwood Metropark
- Ebenezer Swamp Ecological Preserve
- Eberwhite Nature Area
- Echo Reservoir
- Edgar Evins SP
- Edge of Appalachia Nature Preserve
- Edgewater Park
- Edgewood Park
- Edinboro Lake
- Edinburg Scenic Wetlands & WBC
- Edison Woods Reserve
- Edith G. Read WLS
- Edith L. Moore Nature Sanctuary
- Ediz Hook
- Edmund Orgill Park
- Edness Kimball Wilkins Park
- Edward H. McCabe Preserve
- Edward Medard Conservation Park
- Edwin B. Forsythe NWR Visitor Center area
- Eel Pond
- Egan's Creek Greenway
- Egypt Lane Ponds
- Egypt Road
- Eisenhower SP
- El Canelo Ranch
- El Dorado Beach Preserve
- El Dorado Lake
- El Dorado Private Lake Park
- El Franco Lee Park
- El Jardin Park & Beach
- El Paso Memorial Park
- Elbow Slough WMA
- Eldon Russell Park
- Elephant Butte Lake SP
- Eleven Mile State Park
- Elinor Klapp-Phipps Park
- Elizabeth Hartwell Mason Neck NWR
- Elizabeth Park
- Elizabethton Walkway
- Elk City Lake
- Elk Neck SP
- Elk River Park
- Elkhart Cemetery & WTP
- Elkhorn Slough Estuary
- Ell Pond
- Ellen Trout Park
- Elliott Island Road & Fishing Bay WMA
- Ellis Lake Wetlands
- Ellison Park
- Ellisville Harbor SP
- Elmer's Island
- Elmwood Park
- Elwha River mouth
- Elywood Park
- Emeralda Marsh Conservation Area
- Emerson Point Preserve
- Emigrant Lake
- Emily Traphagen Park
- Emiquon Preserve
- Emma Long Metropolitan Park
- Empire Ranch
- Enchanted Rock State Natural Area
- Engel Conservation Area
- Englewood Metropark
- Ensley Bottoms
- Erie Basin Marina
- Erie Marsh
- Erie Street Cemetery
- Ernest L. Oros Wildlife Preserve
- Esopus Bend Nature Preserve
- Esopus Meadows Preserve & Lighthouse Park
- Essex Woods
- Estabrook Woods
- Estel Wenrick Wetlands
- Estero Bay Preserve SP
- Estero Llano Grande SP
- Ethan Allen Homestead
- Eufaula NWR & Lakepoint SP
- Eufaula NWR: Bradley Unit
- Eugene D. Moran WMA
- Evangola SP
- Evans Family Park
- Everglades NP
- Evergreen Cemetery
- Evergreen Cemetery (Portland)
- Evergreen Lake
- Exeter WTP
- Exploration Green
- Exton Park
- Fabacher Road area
- Fair Haven Beach SP
- Fairborn Marsh
- Fairchild Tropical Botanic Garden
- Fairfax Pond-Rehe WMA
- Fairfax Riverside Park
- Fairfield Lake SP
- Fairport Harbor Lakefront Park
- Fairview Cemetery & Homer Sewage Ponds
- Fairy Stone SP
- Fakahatchee Strand State Preserve
- Falcon Dam area
- Falcon SP
- Falfurrias Rest Area
- Fall Creek Falls SP
- Falls Lake
- Falls Mills Lake
- Falls of the Ohio NWCA
- Falmouth River Point Conservation Area
- Falmouth Salt Pond
- False Cape SP
- Fant's Grove WMA
- Fargo Sewage Settling Ponds
- Farm Island
- Farmington Bay Waterfowl MA
- Farnsworth Metropark
- Faver-Dykes SP
- Fayette County Reservoir
- Faylor Lake
- FDR Park
- Felix Neck WLS
- Fellows Lake
- Felton Prairie
- Felts Audubon Preserve
- Fenner Nature Center
- Fennessey Ranch
- Fennville Sewage Ponds
- Fenway & Victory Gardens
- Ferguson Reservoir
- FermiLab
- Fern Ridge Wildlife Area
- Fernald Preserve
- Fernbank Forest
- Ferndale Preserve
- Fernhill Wetlands
- Fields Grove
- Fields Oasis
- Fields Pond Audubon Center
- Figgs Landing Road
- Findlay Clay Pits
- Findlay Reservoirs
- Findley SP
- Finfeather Lake
- Finger Lakes National Forest
- Finzel Swamp
- Fir Island Farms (Skagit WA)
- Fire Island National Seashore
- Firestone Metropark
- Firestone-Yeagley Wildlife Area
- First Landing SP
- Fischer Creek SCA
- Fish Haul Beach Park
- Fish Lake WA
- Fish Point Wildlife Refuge
- Fish Springs NWR
- Fisher Meadows Recreation Area
- Fisherman Island NWR
- Fisherman's Cove Conservation Area
- Fisherman's Island SP
- Fishers Island
- Fishing Creek RA & Pulaski County Park
- Fite Bend Road area
- Fitzgerald Lake Conservation Area
- Fitzgerald Marine Reserve
- Five Rivers Environmental Education Center
- Flag Ponds Nature Park
- Flagler RSA
- Flat Creek Public Fishing Area
- Flat River Waterfowl Impoundment
- Fletcher Community Park
- Fletcher's Cove
- Flint Hills NWR & John Redmond Reservoir
- Flood Gate
- Florida Lake
- Flower Creek Dunes & Meinert Park
- Floyd Bennett Field
- Floyd Lamb Park (Las Vegas)
- Flushing Meadows Corona Park
- Flushing Township Nature Park
- Flynn Township Nature Center
- Follett's Island Bluewater Highway
- Folly Beach County Park
- Fontainebleau SP
- Fontenelle Forest
- Fontenelle Reservoir
- Fool Hollow Lake Recreation Area
- For-Mar Nature Preserve
- Ford Country SP
- Ford House
- Ford Lake
- Fore River Sanctuary
- Forest Beach Conservation Area
- Forest Beach Migratory Preserve
- Forest Park (Queens)
- Forest River Park (Fargo)
- Forever Wild Field Trial Area
- Forks of the River WMA
- Formosa-Tejano Wetlands
- Forneys Lake WMA
- Forsyth Nature Center
- Fort Armistead Park
- Fort Boggy SP
- Fort Boise WMA
- Fort Boykin
- Fort C. F. Smith Park
- Fort Campbell
- Fort Cassin & Porter Bay
- Fort Clark Springs
- Fort Clinch SP
- Fort Custer Recreation Area
- Fort Davis National Historic Site
- Fort De Soto Park
- Fort Drum
- Fort Drum Marsh Conservation Area
- Fort Dupont Park
- Fort DuPont SP
- Fort Edward Grasslands
- Fort Fisher State Recreation Area
- Fort Foster & Gerrish Island
- Fort Frederick SP
- Fort George Island
- Fort Gratiot Nature Preserve
- Fort Harrison SP
- Fort Hill area
- Fort Hood area
- Fort Howard Park
- Fort Jackson area
- Fort Macon SP
- Fort Matanzas NM
- Fort McHenry NM
- Fort Monroe
- Fort Morgan area
- Fort Mose Historic SP
- Fort Mott SP & Finns Point
- Fort Myers Beach & Little Estero Lagoon
- Fort Niagara SP
- Fort Parker SP
- Fort Pena Colorado Park
- Fort Pickens
- Fort Pillow SP
- Fort Pulaski
- Fort Richardson SP
- Fort Rosecrans National Cemetery & Cabrillo NM
- Fort Smallwood Park
- Fort Stevens SP
- Fort Stockton WTP
- Fort Tilden
- Fort Toulouse-Jackson Park
- Fort Tryon Park
- Fort Wadsworth
- Fort Washington Park
- Fort Worth Nature Center & Refuge
- Fort Yargo SP
- Fort Zachary Taylor Historic SP
- Fossil Creek Reservoir
- Foundation Park
- Fountain Creek Regional Park
- Fountain Grove Conservation Area
- Four Mile Run Park
- Four Rivers WCA
- Fowl Meadows
- Fowler Road Irrigation Pond
- Frances A. Crane WMA
- Frances Slocum SP
- Francis C. Carter Preserve
- Francis S. Taylor WMA
- Frank G. Bonelli Regional Park
- Frank Melville Park & Millpond
- Frankie Carter Randolph Park
- Franklin Park
- Franklin Point SP
- Fred G. Bond Metro Park
- Fred Hervey WTP
- Fred Howard Park
- Fred W. Coyle Freedom Park
- Freedom Town Forest
- Freeman Lake
- Freeport Marsh & Wetlands
- Freezout Lake WMA
- French Creek Reservation
- French Park
- Frenchman's Forest Natural Area
- Fresh Pond Reservation
- Frick Park
- Friedrich Wilderness Park
- Friend's Delight / Sang Run SP
- Frog Bayou WMA & Ozark Lake
- Frog Pond WMA
- Frohring Meadows
- Frontenac SP
- Frontera Audubon Center
- Frostburg Reservoir
- Fruge Road area
- Fruit Growers Reservoir
- Frying Pan Farm Park
- Fulton Beach Park
- Fumee Lake Natural Area
- Funk Bottoms Wildlife Area
- Funk WPA
- Furstenberg Nature Area
- Gadwall Marsh
- Gage Gardens
- Gainesville-Hawthorne Trail
- Galien River County Park
- Galileo Hill
- Galisteo
- Gallant Woods Park
- Gallipolis Ferry
- Gallup Park
- Galveston headland
- Galveston Island SP
- Gambell area
- Ganado Lake
- Gardiner Beach
- Gardiner County Park
- Garlo Heritage Nature Preserve
- Garner SP
- Garret Mountain Reservation
- Gay Head (Martha's Vineyard)
- Geist Reservoir
- Gemini Springs Park
- Geneva SP
- George Bush Park
- George C. McGough Nature Park
- George Island Landing
- George Mitchell Preserve
- George Pierce Park
- George Ranch & Smithers Lake
- George Rogers Clark Park
- George T. Bagby SP
- George W. Mead SWA
- George Washington Birthplace NM
- George Wyth State Park
- Georgetown Reservoir
- Georgia Highlands Wetlands
- Georgia International Horse Park
- Georgia Veterans SP
- Geprags Community Park
- Germantown Metropark
- Giacomini Wetlands
- Giant Springs SP
- Gibbons Creek Reservoir
- Gibson County Lake
- Gifford Pinchot SP
- Gila Bird Area
- Gilgo Beach
- Gillson Park
- Gilmore Metropark
- Gilsland Farm Audubon Center
- Girdwood
- Glacial Park Conservation Area
- Glacier Bay NP
- Glacier Ridge Metro Park
- Glade Run Lake Park
- Glades Wildlife Refuge
- Glastonbury Meadows
- Glen Helen Nature Preserve
- Glen Lake Rotary Park
- Glendale Recharge Ponds
- Glendening Nature Preserve
- Glenhurst Meadows
- Glenmere Lake
- Glennville WTP
- Glenwood Gardens
- Glimmerglass SP
- Goetchius Wetland Preserve
- Golden Hill SP
- Golden Ponds Park
- Goliad SP
- Good Earth SP
- Good Harbor Beach & Marsh
- Goose Bay SGR
- Goose Creek SP
- Goose Island
- Goose Island SP
- Goose Lake
- Goose Lake Prairie SNA
- Goose Pond FWA
- Gooseberry Island
- Gordon Park & East 72nd Street
- Gorman Nature Center
- Government Canyon State Natural Area
- Governor Bridge Natural Area
- Governor Dodge SP
- Governor Nelson SP
- Governors Island
- Grace K. Salmon Park
- Grammer Grove WA
- Grand Bay WMA
- Grand Bay WMA (Georgia)
- Grand Canyon NP
- Grand Forks lagoons
- Grand Haven SP
- Grand Isle
- Grand Lake Saint Marys SP
- Grand Marais (MI)
- Grand Marais (MN)
- Grand Mere SP
- Grand Pass Conservation Area
- Grand River Park
- Grand Teton NP
- Grandview Nature Preserve
- Granger Lake area
- Granite Basin Lake
- Granite Reef Recreational Area
- Grant Park
- Grant Park & Northerly Island Park
- Grant Park (Dayton)
- Grass Island Natural Area
- Grass River Natural Area
- Gratiot Saginaw State Game Area
- Graveline Beach
- Gravelly Point
- Gray Lodge Wildlife Area
- Grayland Beach SP & Midway Beach
- Grayling Sewage Ponds
- Grays Harbor NWR
- Grayton Beach SP
- Great Basin NP
- Great Bay Boulevard WMA
- Great Bay Discovery Center
- Great Bay NWR
- Great Bear Recreational Trails
- Great Dismal Swamp NWR
- Great Falls Park
- Great Guernsey Trail
- Great Harbor Wildlife Area
- Great Hills Neighborhood Park
- Great Island Wildlife Area
- Great Kills Park
- Great Miami Wetland Mitigation Bank
- Great Neck
- Great Pond & Cow Bridge Road
- Great Pond (Randolph)
- Great Pond State Forest
- Great Sippewisett Marsh & Black Beach
- Great Smoky Mountains NP
- Great Swamp Management Area
- Great Swamp NWR
- Great Vly WMA
- Great Wass Island Preserve
- Green Bottom WMA
- Green Cay Nature Center & Wetlands
- Green Farm Conservation Park
- Green Island WMA
- Green Lakes SP
- Green Lane Reservoir
- Green Lawn Cemetery
- Green Lick Run
- Green Point WMA
- Green River Lake
- Green River Natural Resources Area
- Green Springs Historic District
- Green Swamp Preserve
- Green-Wood Cemetery
- Greenbelt Lake
- Greenbelt Reservoir
- Greenbrier Park
- Greenbury Point
- Greene Valley Forest Preserve
- Greenfield Lake
- Greensboro Botanical Gardens
- Greensprings Interpretive Trail
- Greenville Reservoirs
- Greenville River Park North
- Greenwich Audubon Center
- Greenwich Point Park
- Grenada Lake Dam area
- Grewes Lakes
- Grey Cloud Dunes SNA
- Griggs Reservoir
- Grindstone area
- Guadalupe Delta WMA
- Guadalupe Mountains NP
- Guadalupe Park
- Guadalupe River SP
- Guana River WMA
- Guana Tolomato Matanzas NERR
- Gulf Coast Bird Observatory
- Gulf Islands National Seashore
- Gulf SP
- Gunlock Reservoir
- Gunners Lake
- Guntersville area
- Guntersville Dam area
- Gunwaleford Road ponds
- Gus Engeling WMA
- Gustavus
- Guste Island Road
- Gwinn Sewage Ponds
- Habitat Education Center & Wildlife Sanctuary
- Hackberry Flat WMA
- Hackberry Ridge
- Haddam Meadows SP
- Hadley
- Haehnle Sanctuary
- Hagerman NWR
- Hague Dairy
- Hal Scott Regional Preserve and Park
- Half Moon Bay State Beach
- Halibut Point SP & Andrews Point
- Hall's Pond & Amory Woods
- Hamden Slough NWR
- Hamilton Reservoir
- Hamlin Beach SP
- Hamlin Marsh WMA
- Hammonasset Beach SP
- Hammond Hill State Forest
- Hammond Lakefront Park
- Hammond Pond Reservation
- Hampton Beach & Seabrook Beach area
- Hanalei NWR
- Hanging Bog WMA
- Hanging Rock SP
- Hannibal Dam & Howard Jeffers Park
- Hans & Pat Suter Wildlife Refuge
- Hansen Dam
- Harahan River Batture
- Harbor Beach area
- Harbor Island
- Harbor Island (South Carolina)
- Hardin Bridge Road area
- Harford Glen Park
- Hargill Playa
- Harkness Memorial SP
- Harlan County Lake
- Harley Ensign Memorial Boating Access Site
- Harlingen City Lake
- Harlingen Thicket WBC
- Harns Marsh
- Harper Lake
- Harpers Ferry National Historical Park
- Harriett M. Wieder Regional Park
- Harriman Lake Park
- Harrington Beach SP
- Harris Neck NWR
- Harrison Hills Park
- Harrison Lake National Fish Hatchery
- Harrison Road & Bowmans Pond
- Harrisville Harbor
- Harrisville SP
- Harry P. Leu Gardens
- Harsens Island
- Hart Miller Island
- Hart Mountain National Antelope Refuge
- Hart Park
- Hartford Reservoir Number 6
- Hartshorne Woods Park
- Hartwick Pines SP
- Harvey County East Park
- Harvey County West Park
- Harvey-Wangsness Wetland
- Hashawha Environmental Center
- Hassayampa River Preserve
- Hatchie NWR
- Hatfield Lake
- Hattiesburg Sewage Lagoons
- Havasu NWR
- Haw River SP
- Hawai'i Volcanoes NP
- Hawk Mountain Sanctuary
- Hawk Ridge NR
- Hawk Rise Sanctuary
- Hawkeye WMA
- Haynes Bottom WMA
- Hays Nature Preserve
- Haystack Reservoir
- Hayward Regional Shoreline
- Hazel Bazemore County Park
- Hazel Hill Lake
- Headland Beach & Dunes
- Headwaters Park
- Heald Street Orchard
- Heard Farm (Great Meadows NWR)
- Heard Natural Science Museum & WLS
- Heart of the Hills Fish Hatchery
- Hebron Fish Hatchery and Wetlands
- Heckscher SP
- Heislerville WMA
- Helen Cooper Floyd Park
- Helena Valley Regulating Reservoir
- Helton Nature Park
- Hemingway Sewage Treatment Ponds
- Hemlock Crossing Park
- Hempstead Lake SP
- Henderson Bird Viewing Preserve
- Henderson Park
- Hendersonville Memorial Park
- Hendrickson Marsh
- Henry Hudson Park
- Herb Parsons Lake
- Heritage Center Greenway
- Heritage Community Park and Natural Area
- Heritage Park (Farmington Hills)
- Heritage Park (Olathe)
- Heritage River Road Wetlands
- Heritage Trail
- Herm Covey WMA
- Hermann Park
- Hermit Island
- Heron Lake SP
- Heron Park
- Herrick Fen Nature Preserve
- Herricks Cove IBA
- Herrington Harbor
- Herrington Manor SP
- Hibernia County Park & Chambers Lake
- Hickory Hills Park
- Hidden Cove Golf Course
- Hidden Cypress Preserve
- Hidden Lake Gardens
- Hidden Lake Metropark
- High Acres Nature Area
- High Cliff SP
- High Island
- Highbanks Metro Park
- Highland Park
- Highland Park & Ridgewood Reservoir
- Highland Recreation Area
- Highland Shores & George White Lake
- Highlands Hammock SP
- Highlands Reservoir
- Highline Lake SP
- Hile School Road wetlands
- Hill Country State Natural Area
- Hillandale Park
- Hiller Park
- Hills Creek SP
- Hillsborough River SP
- Hillsdale Lake
- Hinckley Park
- Hinckley Reservation
- Hinsdale area
- Historic Bethabara Park
- Historic Corolla Park
- Historic Mitchelville Freedom Park
- Historic Sotterley
- Historic Woodlawn Cemetery
- Historic Yates Mill County Park
- Hiwassee Wildlife Refuge
- Hobbs Brook Reservation Pond
- Hocking Hills SP
- Hoffler Creek Wildlife Preserve
- Hofma Preserve
- Hog Island Road
- Hog Island WMA
- Hogg Bird Sanctuary & Bayou Bend Gardens
- Hogueland Lane
- Hoisington Brook Outlet
- Holbrook Reservoir
- Holden Arboretum
- Holden City Lake
- Holgate (Edwin B. Forsythe NWR)
- Holiday Lake
- Holla Bend NWR
- Holland Ponds
- Holland SP
- Holliday Lake SP
- Hollister Detention Basin
- Holloway Reservoir
- Holly Beach area
- Holly Recreation Area
- Holly Shelter Game Land
- Holmes Lake
- Home Road Marsh
- Homer Lake Forest Preserve
- Homer Spit
- Homosassa Springs Wildlife SP
- Honeymoon Island SP
- Hook Pond
- Hoonah area
- Hooper Lane & Mills River Park
- Hoover Park & Recreation Complex
- Hoover Reservoir
- Hop Brook Lake
- Hords Creek Lake
- Horicon NWR
- Horn Island
- Horn Pond Recreation Area
- Hornsby Bend Bird Observatory & Platt Lane
- Horsehead Lake
- Horsepen Creek Park
- Horsepen Run
- Horseshoe Lake CA
- Horseshoe Pond
- Horsethief Canyon SWA
- Houghton Lake Flats Flooding
- Houghton Lake Sewage Ponds
- Houghton Lake Wildlife Research Area
- Houston Arboretum & Nature Center
- Houston Memorial Park
- Howard Marsh
- Howard Prairie Lake
- Howell Woods Environmental Learning Center
- Howerton Road
- Howze Beach
- Hubbard Creek Lake
- Hubbard Valley Park
- Hudson Crossing Park
- Hudson Mills Metropark
- Hueco Tanks SP
- Hueston Woods SP
- Huff Park
- Huffman Metropark
- Huffman Prairie Flying Field
- Hugh Ramsey Nature Park
- Hugh Taylor Birch SP
- Hughlett Point Natural Area Preserve
- Huguenot Memorial Park
- Hulbert Bog
- Hungry Mother SP
- Hunting Island SP
- Huntington Beach SP
- Huntington Central Park
- Huntington Reservation & Cahoon Park
- Huntley Meadows Park
- Huntsville SP
- Hurlock WTP
- Huron County Nature Center & Wilderness Arboretum
- Huron Meadows Metropark
- Huron Pier and Harbor
- Huron River Path Metropark
- Hurricane Landing area
- Huston-Brumbaugh Nature Center
- Hutchinson Island
- Hutton Lake NWR
- Hyder
- Hyland Lake Park Reserve
- Hyper Humus IBA (Paulinskill River WMA)
- I'on Swamp
- I-20 Wildlife Preserve & Jenna Welch Nature Center
- Ichetucknee Springs SP
- Ijams Nature Center
- Illinois Beach SP & Chiwaukee Prairie SNA
- Imperial Grasslands
- Imperial Reservoir
- Imperial Valley
- Independence Creek Preserve
- Independence Dam SP
- Independence Lake
- Independence Marsh
- Independence Oaks County Park
- Independence Park
- Indian Creek Reservoir
- Indian Creek Wildlife Area
- Indian Crossing Trails Park
- Indian Lake
- Indian Lake County Park
- Indian Springs Metropark
- Indian Springs WMA
- Indian Trail Sewage Lagoon
- Indiana Dunes SP
- Infirmary Mound Park
- Inks Dam National Fish Hatchery
- Inks Lake SP
- Institute Woods & Charles Rogers Wildlife Refuge
- Intervale Lowlands Preserve
- INVISTA Wetland
- Inwood Hill Park
- Ionia State Recreation Area
- Ipswich River Wildlife Sanctuary
- Irondequoit Bay
- Irvine Nature Center
- IRWD San Joaquin Marsh & Wildlife Sanctuary
- Irwin Prairie State Nature Preserve
- Isaacson Bay
- Island 13 (Mississippi River)
- Island Beach SP
- Island Lake Recreation Area
- Island Road
- Isles of Shoals
- Itasca SP
- Ithaca Reservoir
- Ives Road Fen Preserve
- Ivy Creek Natural Area
- Izaak Walton Wetlands
- J Clark Salyer NWR
- J W Wells SP
- J. J. Biello Park
- J. Morgan Futch Gameland
- J. N. Ding Darling NWR
- Jackson Bog State Nature Preserve
- Jackson Bottom Wetlands Preserve
- Jackson Nature Park
- Jackson Park
- Jackson Park (Hendersonville)
- Jackson Reservoir
- Jacob Riis Park
- Jacobson Park
- Jakes Landing
- Jamaica Bay Wildlife Refuge
- James A. Reed Memorial WA
- James Campbell NWR
- James E. Grey Preserve
- James Farm Ecological Preserve
- James H. Barrow Field Station
- James Island County Park
- James Kiehl River Bend Park
- James Rooney Memorial Park
- James W. Webb Wildlife Center
- Jamestown Island
- Jamesville Reservoir
- Japanese Gulch
- Jasper-Pulaski FWA
- Jay B. Starkey Wilderness Park
- Jeff David Landfill area
- Jefferson Patterson Park & Museum
- Jekyll Island
- Jennings Randolph Lake
- Jesse H. Jones Park & Nature Center
- Jester Park
- Jetty Park
- JFK Wildlife Sanctuary
- Jim Chapman Lake & Cooper Lake SP
- Jim Creek IBA
- Jim Hamm Nature Area
- Joachim Bible Refuge
- Jockey's Ridge SP
- Joe & Tony Oliveira Park
- Joe Hogan State Fish Hatchery
- Joe Overstreet Road and Landing
- Joe Wheeler SP
- John Bryan SP
- John Bunker Sands Wetland Center
- John Chesnut Sr. Park
- John D. MacArthur Beach SP
- John F. Kennedy Park
- John H. Kerr Reservoir Dam area
- John Heinz NWR
- John James Audubon SP
- John Martin Reservoir
- John Pennekamp Coral Reef SP
- John Prince Park
- John R. Bonner Nature Park
- John S. Taylor Park
- Johns Pond Park
- Johnson Nature Center
- Johnson Park
- Johnsonville State Historic Park
- Jolly Landing
- Jonathan Creek Embayment
- Jonathan Dickinson SP
- Jones Beach SP
- Jones Confluence Point SP
- Jones Park
- Joppa Flats Education Center
- Joppa Park
- Joppa Preserve & Lemmon Lake
- Jordan Lake
- Joseph D. Grant County Park
- Joseph Delia Park
- Joshua Springs Park
- Joyce WMA
- Juanita Bay
- Judge Roy Bean Visitor Center area
- Jug Bay Wetlands Sanctuary
- Julie J. Metz Wetlands
- Jumbo Reservoir
- Junction WTP
- Juneau
- Justin Hurst WMA
- Kachina Wetlands
- Kahle Lake
- Kalamazoo Nature Center
- Kalamazoo River near Saugatuck
- Kalmar Reservoir
- Kaloko-Honokohau NHP
- Kanaha Pond WLS
- Kankakee Sands
- Kankakee State FWA
- Kanopolis Lake
- Kasilof River Mouth
- Kathryn Abbey Hanna Park
- Katy Prairie Conservancy
- Kaufer-Hubert Memorial Park
- Kaveski Farm
- Kawai’ele Waterbird Sanctuary
- Kawkawlin Creek Flooding
- KCP&L Wetlands
- Kealia Pond NWR
- Kearny Marsh
- Kelley Park
- Kelleys Island
- Kellogg Bird Sanctuary
- Kellys Slough NWR
- Kempner Park
- Ken Malloy Harbor Regional Park
- Ken-Gar Palisades Park
- Kenai Fjords NP
- Kenai NWR
- Kenai River Flats
- Kendall Indian Hammocks Park
- Kenilworth Park & Aquatic Gardens
- Kennebunk Plains
- Kennesaw Mountain National Battlefield Park
- Kenneth J Sims Park
- Kenridge Farm
- Kensico Reservoir & Rye Lake
- Kensington Metropark
- Kent Narrows & Ferry Point Park
- Kent Pond
- Kent State University Campus
- Kentlands Lakes
- Kentucky Lake Dam
- Kern NWR
- Kern River County park
- Kern River Preserve
- Kernsville Dam Recreational Area
- Kerr WMA
- Kerrville Lake
- Kerrville Riverside Nature Center & River Trail
- Kesling Nature Preserve
- Ketchikan Airport area
- Ketchikan town area
- Kettle Creek SP
- Kettle Lakes
- Kettle Moraine SF Northern Unit
- Kewaunee Marsh & Harbor
- Key Largo Hammock State Botanical Site
- Key Pittman WMA
- Key Vista Nature Park
- Key West Tropical Forest & Botanical Garden
- Keystone Heritage Park
- Keystone Lake
- Keystone SP
- Kiawah Beachwalker Park
- Kickapoo Cavern SP
- Kilauea Point National Wildlife Refuge
- Kill Creek Park
- Killbuck Marsh Wildlife Area
- Killdeer Plains Wildlife Area
- Killens Pond SP
- Kimsey Run Lake
- Kincaid Park
- Kincaid Reservoir
- Kinder Farm Park
- Kinderhook Sewage Lagoons
- King Ranch Norias Division
- King Ranch Santa Gertrudis Unit
- Kingman and Heritage Islands Park
- Kingman SFL
- Kingsbury Creek / Indian Point
- Kingsbury Fish & Wildlife Area
- Kingston Landing area
- Kingston Point
- Kino Springs
- Kiptopeke SP
- Kirby Lake
- Kirtland Rd. Ponds
- Kirwin NWR
- Kiser Lake
- Kissimmee Prairie Preserve SP
- Kiwanis Riverway Park
- Klamath Falls
- Klamath Marsh NWR
- Kleb Woods Nature Preserve
- Kleinstuck Preserve
- Knox Lake
- Kodiak Island
- Kohler-Andrae SP
- Koke'e SP & Alakai Swamp Trails
- Kokosing Lake Wildlife Area
- Kolomoki Mounds SP
- Kootenai NWR
- Kreutzberg Canyon Natural Area
- Krimgold Park
- Kyker Bottoms Refuge
- L'Anse Bay
- La Cygnes Lake
- La Feria Nature Center
- La Joya WMA
- Labrador Hollow Unique Area
- Lac qui Parle
- Lacassine NWR
- Lacreek NWR
- Ladd Marsh
- LaDue Reservoir
- Lady Bird Johnson Municipal Park
- Lady Bird Johnson Wildflower Center
- Lady Bird Lake
- Lafayette Heritage Trail Park
- Laffite's Cove
- Lagerman Reservoir
- Lagoon Road
- Laguna Atascosa NWR
- Laguna Grande Park
- Lajitas
- Lake Abram Metropolitan Reservation
- Lake Accotink Park
- Lake Acworth
- Lake Afton
- Lake Alice Conservation Area
- Lake Alice WMA
- Lake Almanor
- Lake Andes
- Lake Apopka North Shore
- Lake Arrowhead
- Lake Arrowhead Recreation Park
- Lake Artemesia
- Lake Audubon
- Lake Avalon
- Lake Barkley State Resort Park
- Lake Bastrop
- Lake Benson
- Lake Bertha
- Lake Betz
- Lake Bluff Bird Sanctuary
- Lake Bob Sandlin Dam area
- Lake Bob Sandlin SP
- Lake Bomoseen
- Lake Bonham
- Lake Brandt
- Lake Bridgeport
- Lake Brittle
- Lake Brownwood SP
- Lake Bryan
- Lake Busbee
- Lake Byllesby
- Lake Calumet area
- Lake Casa Blanca
- Lake Chamberlain
- Lake Charleston
- Lake Chicot
- Lake Claiborne
- Lake Cochise & Twinlakes Golf Course
- Lake Colorado City SP
- Lake Conestee Nature Preserve
- Lake Contrary
- Lake Corpus Christi SP & Wesley Seale Dam
- Lake Crabtree
- Lake Creek Trail
- Lake Cumberland WMA
- Lake Cunningham
- Lake D'Arbonne
- Lake Dan Nature Preserve
- Lake Dubonnet
- Lake Elberta
- Lake Elkhorn
- Lake Elmo Park Reserve
- Lake Elmore
- Lake Erie Bluffs Metropark
- Lake Erie Metropark
- Lake Estes
- Lake Fairfax Park
- Lake Fayetteville
- Lake Findley
- Lake Fork
- Lake Fort Phantom Hill
- Lake Frank & Meadowside Nature Center
- Lake Frederick
- Lake Georgetown
- Lake Gilmer
- Lake Guntersville SP
- Lake Harriet
- Lake Havasu
- Lake Hefner
- Lake Henrietta
- Lake Henry
- Lake Herrick & Oconee Forest Park
- Lake Hood & Lake Spenard
- Lake Hope SP
- Lake Horton
- Lake Houston
- Lake Hudson Recreation Area
- Lake Ilo NWR
- Lake Iowa Park
- Lake Iroquois
- Lake Isabella
- Lake Isom NWR
- Lake Jackson
- Lake Jesup Conservation Area
- Lake Johnson Park
- Lake Josephine & Christiana Reservoir
- Lake Junaluska
- Lake Kegonsa
- Lake Kissimmee SP
- Lake Kittamaqundi
- Lake La Su An Wildlife Area
- Lake Lamoille
- Lake Lansing
- Lake Lemon
- Lake Linden Sewage Ponds
- Lake Linville
- Lake Livingston SP
- Lake Logan SP
- Lake Loramie SP
- Lake Lotus Park
- Lake Lure
- Lake Lynn
- Lake MacBride
- Lake Madison Park
- Lake Manawa SP
- Lake Mars Beach
- Lake Martin
- Lake Marvin
- Lake Massapoag
- Lake Mayer
- Lake McClellan
- Lake Mead NRA
- Lake Merced
- Lake Meredith
- Lake Meredith Reservoir
- Lake Mineral Wells SP
- Lake Monroe
- Lake Morey
- Lake Murvaul
- Lake Needwood
- Lake Norman
- Lake North & Babcock
- Lake Number 9
- Lake Odessa Sewage Ponds
- Lake Ogallala & Lake McConaughy
- Lake Okeechobee
- Lake Olathe
- Lake Oneida
- Lake Onota
- Lake Paran
- Lake Parker
- Lake Parsons
- Lake Pat Cleburne
- Lake Perris SRA
- Lake Pflugerville
- Lake Pleasant Regional Park
- Lake Purdy
- Lake Raleigh
- Lake Ramsay Savannah WMA
- Lake Reba & Camp Catalpa
- Lake Red Rock
- Lake Roberts
- Lake Rockwell
- Lake Roland Park
- Lake Runnemede
- Lake Saint Joseph
- Lake Sammamish SP
- Lake Scott SP
- Lake Selmac
- Lake Seminole Dam area
- Lake Seminole Park
- Lake Sequoyah
- Lake Shastina
- Lake Shawnee
- Lake Shenandoah
- Lake Shore Marshes WMA
- Lake Snowden
- Lake Somerset
- Lake Somerville SP
- Lake Springfield
- Lake St. Clair Metropark
- Lake Success
- Lake Sumner
- Lake Sunset
- Lake Sweetwater
- Lake Taghkanic SP
- Lake Tamarisk
- Lake Tansi
- Lake Tappan
- Lake Tawakoni Dam
- Lake Tawakoni SP
- Lake Texana
- Lake Throckmorton
- Lake Thunderbird
- Lake Tohopekaliga
- Lake Townsend
- Lake Tyler
- Lake Varner
- Lake View Cemetery
- Lake Viridian
- Lake Wabaunsee
- Lake Waccamaw
- Lake Waco
- Lake Waco Wetlands
- Lake Waconia
- Lake Walcott
- Lake Wallace (Belchertown)
- Lake Walter E. Long
- Lake Wanahoo
- Lake Waramaug
- Lake Warren SP
- Lake Weatherford
- Lake Wheeler
- Lake Wichita
- Lake Wilson
- Lake Woodruff NWR
- Lakeland Farms
- Lakes Park
- Lakeshore Park
- Lakeshore Reservation
- Lakeside Park (Lake O' the Pines)
- Lakeside Ponds
- Lakeview WMA
- Lakeway City Park
- Lakewood Main Reservoir
- Lakewood Park
- Lamar Community College
- Lanana Creek Trail
- Land Between the Lakes NRA
- Landa Park
- Langan Municipal Park
- Langley Pond
- Lansing River Trail
- Lantana Nature Preserve
- Lapeer State Game Area
- Laredo North Central Park
- Largo Central Park Nature Preserve
- Larry Taylor Kiwanis Park
- Las Animas Creek
- Las Cienegas NCA
- Las Gallinas Wildlife Ponds
- Las Palmas Trail & Zacate Creek
- Las Palomas Marsh
- Las Palomas WMA Ebony Unit
- Las Vegas NWR
- LaSalle FWA
- Lasalle Park
- Lathrop State Park
- Latrobe Reservoir
- Latta Plantation Nature Preserve
- Laudholm Farm and surrounds
- Laurel Hill Park
- Lava Beds National Monument
- Lavonia Park
- Lawrence Woods SNP
- LBJ Memorial Grove
- LBJ National Grasslands & Black Creek Lake