- California7 objects
- North America7 objects
- San Francisco Bay Area, California7 objects
- The Americas7 objects
- United States7 objects
- Berryessa Valley, Napa County, California6 objects
- CA-Nap-89, Berryessa Valley, Napa County6 objects
- Napa County, California6 objects
- Bethel Island, Contra Costa County, California1 objects
- CA-CCo-20, Bethel Island, Contra Costa County1 objects
- Contra Costa County, California1 objects
- San Joaquin River Delta, Contra Costa County, California1 objects