Collection place
- Japanese archipelago, Japan13 objects
- Alameda County, California12 objects
- Klamath River, Humboldt County, California12 objects
- Petroglyph Canyon, Klickitat County, Washington12 objects
- Tomokomai, Hokkaido, Japan11 objects
- Uxmal, Yucatán, Mexico10 objects
- Treasure Island, San Francisco, California9 objects
- Balkan states8 objects
- Chichén Itzá, Yucatán, Mexico8 objects
- Europe8 objects
- North Macedonia8 objects
- Siskiyou County, California8 objects
- Southern Europe8 objects
- Western Balkans8 objects
- Klamath River, Siskiyou County, California7 objects
- Berkeley, Alameda County, California6 objects
- CA-Ala-309, Emeryville, Alameda County6 objects
- Emeryville, Alameda County, California6 objects
- Katimin (historic village), Klamath River, Siskiyou County6 objects
- Las Monjas, Uxmal, Yucatán6 objects