Location
- Turkey--Istanbul1
- Uganda9
- Uganda--Kampala1
- Ukraine6
- United Kingdom9
- United States553
- United States--Housatonic River Valley1
- United States--Ozark Mountains1
- United States--Pacific States1
- United States--Sunbelt States2
- Uruguay1
- Utah1
- Uzbekistan1
- Venezuela2
- Vietnam7
- Virginia17
- Virginia--Richmond1
- Virginia--Staunton1
- Washington2
- Washington (D.C.)5