Descend into history, 75 feet underground. Guided Tours | Exhibitions | Escape Rooms | Educational Programs | Spy Camp | Birthday Parties | Rentals The Diefenbunker: Canada’s Cold War Museum is a once-top secret, four-storey underground bunker, originally designed as the centre for Canada’s defence against nuclear attack during the Cold War. Now, it is a one-of-a-kind museum and national historic site preserving and promoting Canada’s Cold War history. When you visit the Diefenbunker, you are stepping into history — we are Canada’s most significant Cold War artifact and stand as a testament to the important role that Canada played during a critical period in recent world history. We have a crucial role to play in helping us to understand our past and build our collective future. More than a museum, the Diefenbunker is a place where visitors can immerse themselves in the stories, people, and artifacts of the past, and take away lessons for the future. The Diefenbunker’s one-of-a-kind experiential learning environment, coupled with its award-winning programs, events, and exhibitions, draws visitors from around the world. ------------------------ Stay up-to-date with news from underground by signing up for our e-Newsletter: http://eepurl.com/ha3HnX Follow us online @diefenbunker (Facebook, Instagram, Twitter)