Region
United States
1,532
Arctic regions
94
China
88
Developing countries
62
European Union countries
54
Canada
47
Europe
37
California
31
Mexican-American Border Region
29
Mexico
28
West (U.S.)
28
North America
27
Latin America
26
Japan
25
India
22
Great Britain
21
Colombia
19
Brazil
18
Australia
17
Africa
16
Europe, Eastern
15
Alaska
14
Asia
14
Germany
13
Netherlands
12
Tropics
12
Pacific Area
11
Ecuador
10
Florida
10
Pennsylvania
9
Russia (Federation)
9
Southern States
9
Texas
9
England
8
Caribbean Area
7
Europe, Central
7
Four Corners Region
7
France
7
Ireland
7
Southeast Asia
7
Yellowstone National Park
7
Appalachian Region
6
Israel
6
Mexico, Gulf of
6
New Mexico
6
New York (State)
6
Ontario
6
Scandinavia
6
Soviet Union
6
Amazon River Region
5
more ...