- North America✖Remove constraint Collection place: North America12,098 objects
- The Americas12,098 objects
- United States10,900 objects
- California7,876 objects
- Northern California4,310 objects
- Northeastern California3,639 objects
- Nevada2,794 objects
- San Francisco Bay Area, California2,393 objects
- Northern Sierras, Northern California2,295 objects
- Placer County, California1,341 objects
- Humboldt County, Nevada1,301 objects
- Napa County, California1,244 objects
- Mexico1,198 objects
- Northern Mexico1,159 objects
- Northwest Mexico1,159 objects
- Martis Valley, Placer County, California1,132 objects
- Napa Valley, Napa County, California954 objects
- Modoc County, California902 objects
- Surprise Valley, Modoc County, California892 objects
- NV-Hu-301, Humboldt County, Nevada685 objects