Region
United States
18
California
6
Pacific Ocean
5
Oregon
4
Alaska
3
Maine
3
Andes Region
2
Canada
2
England
2
Georgia
2
Germany
2
Los Angeles
2
Los Angeles (Calif.)
2
New Mexico
2
New Orleans (La.)
2
Outer space
2
Russia (Federation)
2
Uruguay
2
Washington (State)
2
White Sands National Monument
2
Zimbabwe
2
Admiralty Island (Alaska)
1
Africa
1
Antarctica
1
Brazil
1
Bristol Bay
1
Buffalo Creek (Logan County)
1
Buffalo Creek (W. Va.)
1
Caribbean Area
1
Catskill Mountains (N.Y.)
1
Caucasus
1
Channel Islands
1
Channel Islands (Calif.)
1
China
1
Colorado
1
Columbia River
1
Connecticut
1
Coos Bay Estuary
1
Earth (Planet)
1
Europe
1
Galveston
1
Galveston (Tex.)
1
Great Britain
1
Haiti
1
Hiroshima-shi (Japan)
1
Idaho
1
Illyria
1
Ireland
1
Jordan
1
Lake Clark National Park and Preserve (Alaska)
1
more ...