- North America✖Remove constraint Collection place: North America8,575 objects
- The Americas8,575 objects
- United States8,539 objects
- California7,748 objects
- Northern California4,252 objects
- Northeastern California2,849 objects
- San Francisco Bay Area, California1,699 objects
- North Central California1,349 objects
- Eastern California1,120 objects
- Modoc County, California988 objects
- Lassen County, California965 objects
- Inyo County, California918 objects
- Napa County, California917 objects
- Surprise Valley, Modoc County, California899 objects
- Sacramento County, California801 objects
- Nevada710 objects
- CA-Mod-204, Modoc County, California697 objects
- Central California639 objects
- South Central California635 objects
- Siskiyou County, California616 objects