Region
Mexico
161
New Mexico
40
United States
27
Colorado River (Colo.-Mexico)
22
West (U.S.)
15
Central America
13
California
11
Southwest, New
11
Texas
10
Grand Canyon (Ariz.)
9
West Indies
9
Arizona
8
Mexico City (Mexico)
5
Mississippi River
5
Grand Canyon
4
Peru
4
Santa Fe National Historic Trail
4
Acapulco (Mexico)
3
California, Gulf of
3
California, Gulf of (Mexico)
3
Colorado River Watershed (Colo.-Mexico)
3
Latin America
3
Russia
3
Utah
3
Baja California (Mexico : Peninsula)
2
Canada
2
Chiapas (Mexico)
2
Chihuahua (Mexico : State)
2
Chile
2
Colorado
2
Colorado River Valley (Colo.-Mexico)
2
Cuba
2
Cuernavaca (Mexico)
2
Gabon
2
Guanajuato
2
Guanajuato (Mexico)
2
Morelia (Michoacán de Ocampo, Mexico)
2
New Spain
2
North Carolina
2
Oman
2
Puebla de Zaragoza (Mexico)
2
Revillagigedo Islands (Mexico)
2
Saudi Arabia
2
Soviet Union
2
Taxco de Alarcón (Mexico)
2
Tennessee
2
Veracruz (Veracruz-Llave, Mexico)
2
Virginia
2
Acatlán de Juarez (Mexico)
1
America
1
more ...