- North America✖Remove constraint Collection place: North America95 objects
- The Americas95 objects
- United States95 objects
- California89 objects
- Northern California47 objects
- Northeastern California28 objects
- Northern Sierras, Northern California27 objects
- Central California20 objects
- Amador County, California18 objects
- San Francisco Bay Area, California17 objects
- CA-Ama-3 (Bamert Cave), Amador County, California15 objects
- Northwestern California14 objects
- Mendocino County, California12 objects
- South Central California11 objects
- CA-Mnt-18, Carmel, Monterey County9 objects
- Carmel Mission, Monterey County, California9 objects
- Central California coast9 objects
- Monterey County, California9 objects
- Napa County, California9 objects
- Berryessa Valley, Napa County, California5 objects