06/04/2026
✨🚪✨Did you know that Doors Open Ottawa is happening this weekend? It's a great opportunity to explore Ottawa's architecture and built heritage - and it's all free! This year also marks the 200th anniversary of the founding of Bytown.
This year's 24th edition includes 99+ buildings and historic sites open to the public including: the Diefenbunker, Fairfields Heritage House, Royal Canadian Mint, Ottawa Jail Hostel, Bytown Museum, Watson's Mill, Supreme Court of Canada, Rideau Hall, Library and Archives, Byward Market Building, Delegation of the Ismaili Imamat, Billings Estate, and several Mosques, Churches, and Temples (just to list a few!)
Check out the link for the full list of available locations and to pre-register!
https://ottawa.ca/en/arts-heritage-and-events/doors-open-ottawa/2026-buildings