Region
United States
645
Mexico
45
Colorado
35
North America
14
Guatemala
12
Colombia
11
El Salvador
11
Puerto Rico
11
Peru
10
Argentina
9
Chile
9
Cuba
9
Mexican-American Border Region
9
Ecuador
8
Latin America
8
Spain
8
New Mexico
7
Honduras
6
Panama
5
Texas
5
Bolivia
4
Florida
4
Costa Rica
3
El Yunque National Forest
3
El Yunque National Forest (P.R.)
3
Mexico City
3
Mexico City (Mexico)
3
Outer space
3
Philippines
3
Canada
2
Equatorial Guinea
2
Nicaragua
2
South America
2
Uruguay
2
West (U.S.)
2
Western Hemisphere
2
White Sands National Monument
2
Arches National Park
1
Arches National Park (Utah)
1
Arizona
1
Ascensión (Chihuahua)
1
Big Cypress National Preserve
1
Big Cypress National Preserve (Fla.)
1
California
1
Caribbean Area
1
Catalonia (Spain)
1
Central America
1
Columbus
1
Developing countries
1
Dominican Republic
1
more ...