- California80 objects
- North America80 objects
- Northern California✖Remove constraint Collection place: Northern California80 objects
- The Americas80 objects
- United States80 objects
- Northeastern California48 objects
- Northern Sierras, Northern California27 objects
- Northwestern California26 objects
- McCloud River, Shasta County, California20 objects
- Shasta County, California20 objects
- near Baird, Shasta County, California20 objects
- Amador County, California18 objects
- CA-Sha-20, Shasta County, California17 objects
- CA-Ama-3 (Bamert Cave), Amador County, California15 objects
- Mendocino County, California14 objects
- North Central California6 objects
- Round Valley, Mendocino County, California5 objects
- Sacramento County, California5 objects
- Ukiah Valley, Mendocino County, California3 objects
- near Jackson, Amador County, California3 objects