Region
Adirondack Forest Preserve
2
Adirondack Forest Preserve (N.Y.)
2
Adirondack Mountain Reserve
1
Adirondack Mountain Reserve (N.Y.)
1
Adirondack Park
1
Adirondack Park (N.Y.)
1
Africa
7
Africa, Southern
2
Alabama
2
Alaska
30
Alaska, Gulf of
1
Alberta
1
Albufera Lake (Spain)
1
America
1
Antarctica
1
Appalachian Region
1
Appalachian Region, Southern
1
Appalachian Trail
2
Arches National Park (Utah)
1
Arctic National Wildlife Refuge
26
Arctic National Wildlife Refuge (Alaska)
21
Arctic regions
1
Argentina
2
Arizona
6
Arkansas
1
Arusha National Park
2
Arusha National Park (Tanzania)
2
Asia
1
Atlantic Coast
2
Atlantic Coast (S.C.)
2
Australia
8
Benin
1
Big Cypress Swamp
1
Big Muddy National Fish and Wildlife Refuge
1
Big Muddy National Fish and Wildlife Refuge (Mo.)
1
Bighorn Canyon National Recreation Area (Mont. and Wyo.)
2
Billy Frank, Jr., Nisqually National Wildlife Refuge
1
Billy Frank, Jr., Nisqually National Wildlife Refuge (Wash.)
1
Biscayne National Park (Fla.)
1
Brazil
1
British Columbia
1
Bryce Canyon National Park (Utah)
1
Buenos Aires National Wildlife Refuge (Ariz.)
2
Buffalo River
1
Buffalo River (Ark.)
1
California
12
California, Southern
2
Cambodia
1
Canada
2
Caprivi
1
more ...