Region
United States
45
India
13
Great Britain
10
England
8
Mexico
7
Colorado
5
Europe
5
European Union countries
5
Southwest, New
5
Africa
4
Japan
4
West (U.S.)
4
Canada
3
Hawaii
3
Middle East
3
Nevada
3
Asia
2
Australasia
2
Brazil
2
California
2
Developing countries
2
Earth (Planet)
2
France
2
Italy
2
Latin America
2
Mediterranean Region
2
Mexico, Gulf of
2
Minnesota
2
New Mexico
2
Norway
2
Rocky Mountains
2
Rocky Mountains Region
2
Russia
2
Russia (Federation)
2
Southeast Asia
2
Southern States
2
Utah
2
Wyoming
2
Adams County
1
Africa, East
1
Appalachian Mountains
1
Austria
1
Belgium
1
Black Sea
1
British Columbia
1
Chihuahua (State)
1
China
1
Chukotskiĭ avtonomnyĭ okrug (Russia)
1
Cimarron National Grassland
1
Cimarron National Grassland (Kan.)
1
more ...