- Half Moon Bay, San Mateo County, California111 objects
- Happy Canyon, Santa Barbara County, California1 objects
- Hato Viejo, Falcón state, Venezuela22 objects
- Hawaiian Islands1 objects
- Hawaiian Windward Islands, Hawaiian Islands1 objects
- Hayward, Alameda County, California3 objects
- Hidalgo County, New Mexico1 objects
- Hienghène commune, North Province, New Caledonia1,935 objects
- Hillsborough, San Mateo County, California2 objects
- Hispaniola1 objects
- Honey Island, Honey Lake, Lassen County1 objects
- Honey Lake Valley, Lassen County, California4 objects
- Honey Lake, Lassen County, California1 objects
- Honshū, Japan58 objects
- Hoopa Valley Reservation, Humboldt County, California2 objects
- Hoopa Valley, Humboldt County, California2 objects
- Horse Lake, Lassen County, California2 objects
- House 1353, Deir el-Ballas1 objects
- House 1402, Deir el-Ballas1 objects
- Hovey Point, Lava fields, Siskiyou County1 objects