- North America✖Remove constraint Collection place: North America461 objects
- The Americas461 objects
- United States456 objects
- California336 objects
- Central California182 objects
- Fresno County, California180 objects
- South Central California180 objects
- CA-Fre-115, Fresno County, California179 objects
- Nevada96 objects
- Pershing County, Nevada81 objects
- Humboldt Lake Bed, Pershing County, Nevada74 objects
- Los Angeles County, California73 objects
- Southern California73 objects
- Santa Monica Mountains, Los Angeles County, California72 objects
- Topanga Canyon, Santa Monica Mountains, Los Angeles County72 objects
- Northern California44 objects
- CA-LAn-1, Topanga Canyon, Los Angeles County41 objects
- San Francisco Bay Area, California36 objects
- Northwestern California33 objects
- Mendocino County, California32 objects