- North America✖Remove constraint Collection place: North America22 objects
- The Americas22 objects
- United States22 objects
- California15 objects
- Nevada6 objects
- San Francisco Bay Area, California6 objects
- Churchill County, Nevada5 objects
- Humboldt Lake region, Churchill County, Nevada5 objects
- NV-Ch-15, Churchill County, Nevada4 objects
- Southern California4 objects
- CA-Ven-1, Ventura County, California2 objects
- Central California2 objects
- Central California coast2 objects
- Marin County, California2 objects
- Northern Channel Islands, Santa Barbara County, California2 objects
- Santa Barbara County, California2 objects
- Santa Cruz Island, Channel Islands, Southern California2 objects
- Ventura County, California2 objects
- CA-CCo-15, Walnut Creek, Contra Costa County1 objects
- CA-Mno-374, Coleville (CDP), Mono County1 objects