Diefenbunker: Canada's Cold War Museum
Best Cold War History Experience 2026
The Diefenbunker: Canada’s Cold War Museum is Ottawa’s immersive history destination, inside an impressive four-storey underground facility that operated as the country’s central communications headquarters during the Cold War.
Through award-winning exhibitions, tours, programs, events, and escape rooms, this one-of-a-kind museum, national historic site, and independent charitable organization is preserving important Canadian Cold War stories and artifacts.
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