Diefenbunker: Canada’s Cold War Museum

It’s time for a rematch. Take your games night to the next level, 75 feet underground inside a once top-secret Cold War bunker.  Built to support government operations during a national emergency, the historic space of the Diefenbunker now sets the stage for an evening of strategy, teamwork, rivalry, and fun.  Gather your friends or…

Join us underground for a day of spooky season fun for all ages.  Free Halloween programming will take place at the museum entrance and in the Blast Tunnel. Stop by for activities for youth and families, a spooky photo backdrop, and trick-or-treating (while supplies last). No admission or booking is required to take part in…

The Diefenbunker was an active military base for 32 years throughout the Cold War. We invite you to learn why we remember as you explore Cold War stories at the Diefenbunker. The Diefenbunker Museum will be open on November 11. Stay tuned — more details coming soon.

Join us on Saturday, November 21, 2026 for the return of our signature annual fundraiser, with a retro festive twist! Travel back in time to the 1950s and escape the looming nuclear winter as you stay warm underground in a decommissioned fallout shelter, delighting in a mid-century holiday party with whisky tastings, themed cocktails, tasty…