Region
- West (U.S.)
- United States 24 results
- Asia 6 results
- Missouri 6 results
- Rocky Mountains 6 results
- Saint Louis 6 results
- Saint Louis (Mo.) 6 results
- Utah 6 results
- California 4 results
- Middle West 4 results
- Mormon Pioneer National Historic Trail 4 results
- Rocky Mountains Region 4 results
- Salt Lake Valley (Utah) 4 results
- San Bernardino (Calif.) 4 results
- San Francisco (Calif.) 4 results
- America 2 results
- Butterfield Overland Trail 2 results
- California National Historic Trail 2 results
- Canada, Western 2 results
- Columbia River 2 results
- Elko County 2 results
- Elko County (Nev.) 2 results
- Great Basin 2 results
- Iowa 2 results
- Japan 2 results
- Missouri River 2 results
- Nevada 2 results
- New York 2 results
- New York (State) 2 results
- Northeastern States 2 results
- Northwest, Canadian 2 results
- Northwestern States 2 results
- Oregon 2 results
- Oregon National Historic Trail 2 results
- Pony Express National Historic Trail 2 results
- Yellowstone National Park 2 results