- North America20 objects
- The Americas✖Remove constraint Collection place: The Americas20 objects
- United States20 objects
- California19 objects
- San Francisco Bay Area, California17 objects
- San Francisco County, California17 objects
- San Francisco, San Francisco County, California17 objects
- San Francisco Waterfront, San Francisco, San Francisco County16 objects
- Site N-5 (North Shore Pump Station), San Francisco Waterfront, San Francisco5 objects
- Site SE, San Francisco Waterfront, San Francisco5 objects
- Site N-2 (North Point Tunnel), San Francisco Waterfront, San Francisco3 objects
- Site C-1 (Berry), San Francisco Waterfront, San Francisco2 objects
- Butte County, California1 objects
- CA-SBn-1, Mission San Juan Bautista, San Benito County1 objects
- Central California1 objects
- Central California coast1 objects
- Humboldt County, Nevada1 objects
- Lake Oroville/Upper Feather River watershed1 objects
- Marina District, San Francisco, San Francisco County1 objects
- Milsap Bar, Butte County, California1 objects