Region
United States
183
Antarctica
5
Great Britain
5
Arctic regions
3
Africa
2
Asia
2
Australia
2
Congo (Democratic Republic)
2
Everest, Mount (China and Nepal)
2
Japan
2
Russia
2
Argentina
1
Arizona
1
California
1
Chicago
1
Colorado
1
Colorado River (Colo.-Mexico)
1
Dominican Republic
1
Grand Canyon
1
Grand Canyon (Ariz.)
1
Great Plains
1
Illinois
1
India
1
Jamaica
1
Kenya
1
Lava Falls Rapids
1
Marquesas Islands (French Polynesia)
1
Nebraska
1
Norway
1
Ntenjeru County
1
Ntenjeru County (Uganda)
1
Oakland
1
Oceania
1
Oregon
1
Philippines
1
Poland
1
Romania
1
Russia (Federation)
1
Siquijor Island
1
Texas
1
Uganda
1
West (U.S.)
1