- 45KL221, Klickitat County, Central Washington11 objects
- 45KL242, Klickitat County, Central Washington20 objects
- 45KL63, Klickitat County, Central Washington2 objects
- 6 miles southeast of Willcox, Willcox Playa, Cochise County82 objects
- Abisko, Sweden1 objects
- Abydos region, Upper Egypt50 objects
- Acoma, Cibola County, New Mexico28 objects
- Acomita, Cibola County, New Mexico20 objects
- Aegean Islands, Greece5 objects
- Affiliated Colleges, San Francisco, San Francisco County42 objects
- Africa263 objects
- Aguaray, Salta Province, Argentina7 objects
- Ahu Akahanga, Southern coast, Easter Island2 objects
- Ahu Mahatua, Poike Volcano region, Easter Island3 objects
- Ahu Maitake Te Moa, Northern coast, Easter Island1 objects
- Ahu Oroi, Southern coast, Easter Island1 objects
- Ahu Te Peu, Western coast, Easter Island4 objects
- Ahu Tepito Te Kura, La Pérouse Bay region, Northern coast4 objects
- Alameda County, California21 objects
- Alaska21 objects