- Camden, Camden County, New Jersey1
- Canyon de Chelly, Apache County, Arizona2
- Canyon just west of Corral Harbor, San Nicolas Island, Southern Channel Islands2
- Carneros Rocks, Kern County, California8
- Carrizo Rock, San Luis Obispo County, California1
- Casa Grande Ruins, Pinal County, Arizona1
- Cave of the Owls, Monzon Valley, Huanuco2
- Celilo, Wasco County, Oregon3
- Cerro Sechin, Ancash Region, Northern Peru26
- Cerro Viejo, Marcahuamachuco, Northern Peru7
- Cerro de Fraile, Canete Valley, Peru1
- Cerro de Fraile, Cañete Region, Central Peru1
- Cerro de las Monjas, Marcahuamachuco, Northern Peru35
- Cerro de los Corrales, Marcahuamachuco, Northern Peru3
- Chancan, Moche valley, La Libertad Region4
- Chavín de Huantar, Ancash Region, Peru2
- Chicago, Cook County, Illinois2
- Chicama Valley, La Libertad Region, Northern Peru1
- Chimu Capac, Supe district, Lima Region1
- China1