Region
Adirondack Mountains
1
Africa
11
Africa, East
1
Africa, Northeast
1
Alaska
11
Amboseli Game Reserve
1
Amboseli National Park
4
Amboseli National Park (Kenya)
1
Angleterre
1
Antarctica
1
Arctic National Wildlife Refuge
1
Arctic National Wildlife Refuge (Alaska)
1
Arizona
2
Asia
1
Atlantic Ocean
1
Australia
20
Austria
1
Bali (Province)
1
Belize
2
Bermuda Islands
5
Big Bend National Park
1
Big Bend National Park (Tex.)
1
Bodega Bay
1
Borneo
2
Botswana
1
California
9
California, Southern
1
Californie
2
Canada
3
Canada, Eastern
1
Canada, Northern
1
Caribbean Sea
4
Central America
1
Christmas Island (Indian Ocean)
1
Colombia
1
Colorado
1
Congo (Democratic Republic)
1
Costa Rica
2
Cougar Dam
1
Cougar Dam (Or.)
1
Cougar Reservoir
1
Cowlitz River
2
Cowlitz River (Wash.)
1
Cowlitz River Watershed
1
Côte d'Ivoire
4
Denali National Park and Preserve
4
Denali National Park and Preserve (Alaska)
4
East (U.S.)
1
Elko County
1
England
7
more ...