California African American Museum Los Angeles, CA
California Science Center Los Angeles, CA
California State Railroad Museum Sacramento, CA
Cape Fear Museum of History and Science Wilmington, NC*
Center for Jewish History New York, NY
Cerritos Library Cerritos, CA
Cincinnati Museum Center Cincinnati, OH
City Lore New York, NY
City of Las Cruces Museum System Las Cruces, NM
Coastal Discovery Museum Hilton Head Island, SC*
College Park Aviation Museum College Park, MD
Columbia Memorial Space Center Downey, CA
Connecticut Museum of Culture and History Hartford, CT
Conner Prairie Fishers, IN*
Cosmosphere Inc. Hutchinson, KS