- The Americas✖Remove constraint Collection place: The Americas51,054 objects
- North America50,889 objects
- United States50,450 objects
- California33,471 objects
- Northern California17,539 objects
- Nevada16,674 objects
- San Francisco Bay Area, California13,882 objects
- North Central California11,027 objects
- Sacramento County, California7,459 objects
- Churchill County, Nevada7,428 objects
- Northeastern California5,789 objects
- Contra Costa County, California5,627 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California4,931 objects
- CA-Sac-6, Sacramento County, California4,929 objects
- Pershing County, Nevada4,741 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada3,431 objects
- Napa County, California3,383 objects
- Napa Valley, Napa County, California3,286 objects
- CA-CCo-138, Oakley, Contra Costa County3,218 objects
- Oakley, Contra Costa County, California3,218 objects