A Cold War-era underground bunker turned museum. Cold War museum in a massive underground bunker featuring military artifacts, exhibits & events. Built for the end, preserved for the future. Experience Ottawa’s immersive history destination. This impressive four-storey underground Cold War communications headquarters is now a one-of-a-kind museum and national historic site.
The Diefenbunker is a window into the past, bringing history to life through award-winning exhibitions, tours, programs, events, and escape rooms — there is something for everyone. Connect with Cold War history and discover unforgettable experiences.
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