- California50 objects
- Del Norte County, California50 objects
- Elk Valley, Del Norte County, California50 objects
- North America50 objects
- Northern California50 objects
- Northwestern California50 objects
- The Americas50 objects
- United States50 objects
- CA-DNo-11 (Point St. George site), Del Norte County, California48 objects
- Point St. George, Del Norte County, California48 objects
- Crescent City, Del Norte County, California2 objects
- Melkeltun, Crescent City, Del Norte County2 objects