- California158 objects
- North America158 objects
- San Francisco Bay Area, California158 objects
- The Americas158 objects
- United States158 objects
- Napa County, California147 objects
- Napa Valley, Napa County, California137 objects
- Lower Napa Valley, Napa County, California121 objects
- CA-Nap-14 (Las Trancas site), Napa Valley, Napa County81 objects
- CA-Nap-39 (Tulukai site), Napa Valley, Napa County32 objects
- CA-Sol-2, Solano County, California11 objects
- Lindsey Slough, Solano County, California11 objects
- Solano County, California11 objects
- Middle Napa Valley, Napa County, California9 objects
- Upper Napa Valley, Napa County, California7 objects
- CA-Nap-16, Napa Valley, Napa County6 objects
- CA-Nap-32, Napa Valley, Napa County6 objects
- Rutherford area, Napa Valley, Napa County6 objects
- CA-Nap-46, Napa County, California5 objects
- CA-Nap-38, Napa Valley, Napa County4 objects