Ottawa’s Most Unique Historical Site
The Diefenbunker is a four-story, 300 room, 100,000 square foot underground bunker, and was meant to house 535 Canadian government officials and military officers in the event of a nuclear war. Shrouded in mystery, the Diefenbunker, nicknamed after then Prime Minister John Diefenbaker, was designed and built in secrecy during the crest of Cold War fear, between 1959 and 1961. The name of the facility was given by a Toronto Telegram journalist who exposed a story of its development. Want to know more? Visit us for a tour!
Watch our teaser trailer for a quick peek into our underground bunker! Thanks Ottawa Tourism for the great video!
What’s new at the Diefenbunker?
Doors Open – June 4 – 5, 2016
Join the throngs at the Bunker during Doors Open! Free tours in French and English BY RESERVATION ONLY through Eventbrite! Food and Cold War Store merchandise for sale (Cash Only).
ANNOUNCING – “Escape the Diefenbunker”
The Diefenbunker and Escape Manor have partnered to launch the World’s Largest Escape Room! The experience runs Wednesday through Sunday evenings and resides within our 100,000 square foot facility. Staying true to our historic roots, this elaborate endeavor is themed around espionage… Read more!
Welcoming Anna Frlan as our 2016 Artist-in-Residence
Anna Frlan is a sculptor of steel, dedicated to transforming this surprisingly pliable material through a process-oriented studio practice. The daughter of Croatian émigrés, she is currently exploring the connection between industrial steel and twentieth-century weaponry production.