- City of Unalaska, Alaska, United States1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coachella Valley, California, United States, (Populated Place)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Coos, Oregon, United States, (Administrative Boundary)1
- Copper River Delta, Alaska, United States, (Area)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Crater Lake National Park, Oregon, United States, (Area)1
- Deschutes National Forest, Oregon, United States, (Vegetation)1
- Diablo Range, California, United States, (Hypsographic)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Fremont National Forest, Oregon, United States, (Vegetation)1
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)1
- Glacier Bay, Alaska, United States, (Hydrographic)1
- Grand Teton National Park, Wyoming, United States, (Area)1
- Grays Harbor, Washington, United States, (Administrative Boundary)1
- Great Barrier Reef, Queensland, Australia, (Hydrographic)1
- Haiti, , Haiti, (Administrative Boundary)1