Region
United States
2,028
Colorado
126
West (U.S.)
115
Europe
103
Developing countries
81
New Mexico
80
China
69
Asia
67
Canada
52
North America
46
Wyoming
43
Utah
40
California
39
Earth (Planet)
37
Arizona
35
Germany
35
Mexico
32
Africa
31
India
31
Japan
31
Latin America
31
Europe, Eastern
30
European Union countries
30
Arctic regions
29
Pacific Area
29
Southern States
29
Soviet Union
29
Middle East
27
Germany (West)
26
Russia (Federation)
25
South Platte River Valley (Colo. and Neb.)
23
Tropics
23
Southwestern States
22
Australia
21
Balkan Peninsula
21
Rocky Mountains Region
20
Antarctica
19
Rocky Mountains
19
Texas
19
Caribbean Area
17
Eurasia
17
Nevada
17
Southwest, New
17
Montana
16
Northeastern States
16
Alaska
15
Asia, Central
15
Great Lakes (North America)
15
Mediterranean Region
15
Southeast Asia
15
more ...