- California15 objects
- North America15 objects
- The Americas15 objects
- United States✖Remove constraint Collection place: United States15 objects
- San Francisco Bay Area, California14 objects
- CA-CCo-138, Oakley, Contra Costa County11 objects
- Contra Costa County, California11 objects
- Oakley, Contra Costa County, California11 objects
- San Francisco County, California2 objects
- San Francisco Waterfront, San Francisco, San Francisco County2 objects
- San Francisco, San Francisco County, California2 objects
- Site N-2 (North Point Tunnel), San Francisco Waterfront, San Francisco2 objects
- CA-Hum-112, Humboldt County, California1 objects
- CA-Nap-16, Napa Valley, Napa County1 objects
- Humboldt Bay, Humboldt County, California1 objects
- Humboldt County, California1 objects
- Lower Napa Valley, Napa County, California1 objects
- Napa County, California1 objects
- Napa Valley, Napa County, California1 objects
- Northern California1 objects