- California42 objects
- North America42 objects
- Northern California✖Remove constraint Collection place: Northern California42 objects
- The Americas42 objects
- United States42 objects
- Northwestern California41 objects
- Del Norte County, California9 objects
- Elk Valley, Del Norte County, California9 objects
- Mouth of Salmon River, Del Norte County, California9 objects
- Humboldt County, California5 objects
- Klamath River, Humboldt County, California5 objects
- Klamath River below Weitchpec, Humboldt County, California3 objects
- Wakhtek, Humboldt County, California2 objects
- Baird (historic place), Shasta County, California1 objects
- Martin's Ferry, Humboldt County, California1 objects
- McCloud River, Shasta County, California1 objects
- Murek, Humboldt County, California1 objects
- Northeastern California1 objects
- Shasta County, California1 objects
- Weitchpec, Humboldt County, California1 objects