- North America128 objects
- The Americas128 objects
- United States128 objects
- Nevada123 objects
- Churchill County, Nevada106 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada73 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada28 objects
- Elko County, Nevada6 objects
- California4 objects
- Northern California4 objects
- Pershing County, Nevada4 objects
- NV-El-24, Elko County, Nevada3 objects
- NV-El-25, Elko County, Nevada3 objects
- Amador County, California2 objects
- CA-Ama-3 (Bamert Cave), Amador County, California2 objects
- Grimes Point Caves, Churchill County, Nevada2 objects
- NV-Ch-19 (Fish Cave), Churchill County, Nevada2 objects
- NV-Ch-5, Churchill County, Nevada2 objects
- NV-Pe-12, Pershing County, Nevada2 objects
- North Central California2 objects