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