Diefenbunker, Canada's Cold War Museum

The Diefenbunker is Canada's Cold War Museum, located 75 feet underground in Carp, Ontario. The four-storey underground former Cold War communications headquarters is now a one-of-a-kind museum and national historic site, offering immersive history through award-winning exhibitions, tours, programs, events, and escape rooms. It operates year-round as an independent charitable organization.