Region
Mexico
United States
Canada
88
Mexican-American Border Region
67
North America
48
Central America
13
Texas
12
Southwest, New
10
Western Hemisphere
8
China
6
Arizona
3
California
3
Colombia
3
Colorado River (Colo.-Mexico)
3
Mexico, Gulf of
3
Palo Alto Battlefield National Historical Park (Tex.)
3
Santa Fe National Historic Trail
3
Southwestern States
3
Caribbean Area
2
Cuba
2
Great Britain
2
Guatemala
2
Haiti
2
Missouri
2
Puerto Rico
2
Rio Grande (Colo.-Mexico and Tex.)
2
Taiwan
2
America
1
Arkansas
1
Australia
1
Brazil
1
California, Gulf of
1
California, Southern
1
Chamizal National Memorial (El Paso, Tex.)
1
Chiapas (Mexico)
1
Chiapas Highlands
1
Chiapas Highlands (Mexico)
1
Chihuahua (State)
1
Chile
1
Colorado
1
Confederate States of America
1
Coronado National Memorial (Ariz.)
1
Djibouti
1
El Chamizal (Mexico and Tex.)
1
El Paso
1
El Paso County
1
Florida
1
Gila River (N.M. and Ariz.)
1
Islands of the Pacific
1
Japan
1
more ...