Region
West (U.S.)
United States
17
Colorado
5
Arizona
1
Austin
1
British Columbia
1
California
1
Colorado River Valley (Colo.-Mexico)
1
Colorado Springs
1
Denver
1
Georgia
1
Gering
1
Hoover Dam (Ariz. and Nev.)
1
Nebraska
1
Oregon National Historic Trail
1
Southwest, New
1
Southwestern States
1
Texas
1
Texas, West
1
Wyoming
1
Yellowstone National Park
1
Yuma Valley
1
Yuma Valley (Ariz.)
1