Region
California
5
Puerto Rico
5
North America
2
Santa Monica Mountains National Recreation Area (Calif.)
2
United States
2
Amistad National Recreation Area
1
Amistad National Recreation Area (Tex.)
1
Chamizal National Memorial (El Paso, Tex.)
1
Chile
1
El Chamizal (Mexico and Tex.)
1
Hawaii
1
Inyo National Forest (Calif. and Nev.)
1
Japan
1
Los Padres National Forest
1
Los Padres National Forest (Calif.)
1
Mexico
1
Pinnacles National Park
1
Pinnacles National Park (Calif.)
1
Saguaro National Park (Ariz.)
1
Santa Monica Mountains National Recreation Area
1
Six Rivers National Forest
1
Six Rivers National Forest (Calif.)
1
Texas
1
Yosemite National Park (Calif.)
1
Yosemite Valley (Calif.)
1