- California4,889 objects
- North America4,889 objects
- San Francisco Bay Area, California4,889 objects
- The Americas4,889 objects
- United States4,889 objects
- Berryessa Valley, Napa County, California4,887 objects
- CA-Nap-93, Berryessa Valley, Napa County4,887 objects
- Napa County, California4,887 objects
- CA-CCo-14, El Sobrante, Contra Costa County2 objects
- Contra Costa County, California2 objects
- El Sobrante, Contra Costa County, California2 objects
- Unincorporated western Contra Costa County, California2 objects