Open Doors – Ottawa will be held June 1 and 2, and it is a FREE event.
The doors will be open to the buildings which “celebrates our community’s built heritage, allowing access to functionally, culturally, and historically significant buildings. Held during the first weekend in June, Doors Open Ottawa has witnessed the annual attendance rate rise to over 80,000 visitors, and include the participation of over 125 of the city’s finest buildings”.
Some of the buildings which will be open this year will include the Billings Estate National Historic Site, All Saints Cathedral, and the city transit building.
If you go to the website, there is a map, where the parking will be, and there will be shuttle buses to take you to each of the buildings.
The web site is http://ottawa.ca/cgi-bin/doors/list.pl?lang=en