- California18 objects
- North America18 objects
- The Americas18 objects
- United States18 objects
- CA-Sol-1, Solano County, California16 objects
- Lindsey Slough, Solano County, California16 objects
- San Francisco Bay Area, California16 objects
- Solano County, California16 objects
- Northern California2 objects
- CA-Hum-118, Humboldt County, California1 objects
- CA-SJo-68, San Joaquin County, California1 objects
- Humboldt County coast, Humboldt County, California1 objects
- Humboldt County, California1 objects
- North Central California1 objects
- Northwestern California1 objects
- Patrick's Point, Humboldt County, California1 objects
- San Joaquin County, California1 objects