- Hidden Tank, Riverside County, California1 objects
- Highlands Region, Papua New Guinea, New Guinea4 objects
- Honey Lake Valley, Lassen County, California1 objects
- Hoopa Valley Reservation, Humboldt County, California2 objects
- Hoopa Valley, Humboldt County, California2 objects
- Hooper Bay, Kusilvak Census Area, Alaska1 objects
- Hopi Reservation, Navajo County, Arizona1 objects
- Humboldt County coast, Humboldt County, California9 objects
- Humboldt County, California11 objects
- Humboldt lagoons, Humboldt County, California1 objects