- North America437 objects
- The Americas437 objects
- United States✖Remove constraint Collection place: United States437 objects
- Nevada301 objects
- California136 objects
- San Francisco Bay Area, California127 objects
- Middle Napa Valley, Napa County, California124 objects
- Napa County, California124 objects
- Napa Valley, Napa County, California124 objects
- Humboldt County, Nevada96 objects
- NV-Hu-300, Humboldt County, Nevada95 objects
- CA-Nap-32, Napa Valley, Napa County74 objects
- Rutherford area, Napa Valley, Napa County74 objects
- Churchill County, Nevada70 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County50 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada50 objects
- Oakville area, Napa Valley, Napa County50 objects
- Pershing County, Nevada31 objects
- NV-Pe-67, Pershing County, Nevada27 objects
- Humboldt Lake region, Churchill County, Nevada15 objects