Region
Africa
34
Africa, Eastern
1
Africa, Southern
1
Africa, West
2
Alabama
1
Alamosa National Wildlife Refuge (Colo.)
1
Alaska
8
Alberta
2
Aleppo
1
Aleppo (Syria)
1
Amazon River
4
Amazon River Region
4
Amboseli Game Reserve
1
America
4
Amérique du Nord
1
Andes
2
Antarctica
11
Appalachian Region
3
Arctic Archipelago
1
Arctic Archipelago (Nunavut and N.W.T.)
1
Arctic National Wildlife Refuge
1
Arctic Regions
1
Arctic regions
18
Argentina
1
Arizona
2
Arkansas
1
Asia
2
Atlantic Coast
4
Atlantic Coast (Colombia)
2
Atlantic States
1
Australia
22
Baca National Wildlife Refuge (Colo.)
1
Berlin
1
Berlin (Germany)
1
Big Cypress National Preserve (Fla.)
2
Black Hills National Forest (S.D. and Wyo.)
1
Bluestone National Scenic River (W. Va.)
1
Bolivia
1
Borneo
3
Botswana
4
Boundary Waters Canoe Area
1
British Columbia
1
Burma
1
Calgary
1
California
14
Canada
9
Canary Islands
2
Cape York Peninsula (Qld.)
1
Caribbean Area
1
Catskill Mountains
2
more ...