Kitchener 
You can visit Banting House National Historic Site of Canada, Muskoka Steamships, Schneider Haus National Historic Site, and many other museums and historic sites for free this weekend.
Every April to October, Doors Open Ontario invites the public to explore the province’s heritage for free. Launched in 2002, the initiative has attracted over 7.3 million visits, showcasing sites that blend historical charm with modern functionality.
This weekend, events will take place in Aylmer and Malahide, Gravenhurst, Markham, Waterloo Region, London, Aurora and Brampton — perfect for anyone interested in architecture, history, or a unique day out.
Aylmer and Malahide– September 20
- Aylmer Baptist Church — 153 John Street South, Aylmer
- Aylmer Legion Branch 81 — 211 John Street North, Aylmer
- Aylmer Old Town Hall — 38 John Street South, Aylmer
- Aylmer Police Services — 20 Beech Street East, Aylmer
- Gay Lea Dairy Museum — 48075 Jamestown Line, Aylmer
- Gramma’s Wartime Kitchen at the Aylmer Fairgrounds — 139 Pine Street East, Aylmer
- Malahide South Fire Station — 7355 Imperial Road, Aylmer
- Mistyglen Creamery — 47008 Yorke Line, Belmont
- Springwater Conservation Area — 8059 Springwater Road, Aylmer
- St. Paul’s United Church — 5 Queen Street North, Aylmer
- War of 1812 Re-enactment at the Aylmer Fairgrounds — 139 Pine Street East, Aylmer
Gravenhurst — September 20
- Arts at the Albion — 100 Muskoka Road North, Gravenhurst
- Camp Calydor Property — 615 Lorne Street, Gravenhurst
- Fire Station No. 1 (former Town Hall) — 190 Harvie Street, Gravenhurst
- Gravenhurst Opera House — 295 Muskoka Road South, Gravenhurst
- Gravenhurst Town Office — 3-5 Pineridge Gate, Gravenhurst
- Gravenhurst Train Station — 150 Second Street South, Gravenhurst
- Gull Lake Rotary Park — 405 Brock Street, Gravenhurst
- The Manor at Gravenhurst — 300 Muskoka Road North, Gravenhurst
- Muskoka Steamships — 185 Cherokee Lane, Gravenhurst
- Severn Bridge Fairgrounds — 1153 Southwood Road, Severn Bridge
- The Tree Museum — 1634 Doe Lake Road, Gravenhurst
Markham — September 20
- Box Grove Community Centre — 7651 Ninth Line, Markham
- Cedar Grove Community Centre — 7667 14th Avenue, Markham
- German Mills Community Centre (former German Mills Schoolhouse) — 80 German Mills Road, Thornhill
- Heintzman House — 135 Bay Thorn Drive, Markham
- Markham Museum offices (former Mount Joy Schoolhouse) — 9350 Markham Road, Markham
- Markham Village Fire Station No. 97 — 209 Main Street North, Markham
- Markham Village Train Station — 214 Main Street North, Markham
- McKay Art Centre — 197 Main Street, Unionville
- Unionville Curling Club — 257 Carlton Road, Unionville
- Unionville Train Station — 7 Station Lane, Unionville
- Varley Art Gallery — 216 Main Street, Unionville
- Village Hive Markham at the Olde School House — 55 Albert Street, Markham
- York Region District School Board’s Museum & Archives — 21 Renfrew Drive, Markham
- York University’s Markham Campus — 1 University Boulevard, Markham
Waterloo Region — September 20
- Atlas Yoga Studio and School at Park Hill Studios — Park Hill Road East, 2nd floor, Cambridge
- Cambridge Historic City Hall and Archives — 46 Dickson Street, Cambridge
- Child Witness Centre — 111 Duke Street East, Kitchener
- Child Youth Advocacy Centre — 400 Queen Street South, Kitchener
- Den 1880 — 14 Erb Street West, Waterloo
- Detweiler Meetinghouse and Roseville Cemetery — 3445 Roseville Road, Ayr
- Homer Watson House & Gallery — 1754 Old Mill Road, Kitchener
- Ken Seiling Waterloo Region Museum — 10 Huron Road, Kitchener
- Martin Simmons Sweers Architects — 200-113 Breithaupt Street, Kitchener
- McDougall Cottage Historic Site — 89 Grand Avenue South, Cambridge
- Mennonite Central Committee (MCC) Hub — 165 Heritage Drive, New Hamburg
- Perimeter Institute for Theoretical Physics — 31 Caroline Street North, Waterloo
- Pressworks Building (home of ABA Architects) — 101 Randall Drive, Unit B, Waterloo
- Redeemer Lutheran Church — 78 John Street West, Waterloo
- Rogers tv, Cable 20 — 85 Grand Crest Place, Kitchener
- Roseville Church — 2729 Fischer-Hallman Road, Roseville
- Schlegel-UW Research Institute for Aging — 250 Laurelwood Drive, Waterloo
- Schneider Haus National Historic Site — 466 Queen Street South, Kitchener
- St. Clements Fire Station — 2671 Herrgott Road, St. Clements
- Waterloo Central Railway Restoration and Maintenance Facility — 50 Isabella Street, St. Jacobs
- Waterloo County Gaol and Governor’s House — 73–77 Queen Street North, Kitchener
- Waterloo Pioneers Memorial Tower — 300 Lookout Lane, Kitchener
- Zion United Church — 215 Peel Street, New Hamburg
London — September 20-21
- 1st Hussars Museum — 1 Dundas Street, London
- Argyle Business Improvement Association — 1902 Avalon Street, London
- Baitur Rasheed Mosque — 70 Charterhouse Crescent, London
- Banting House National Historic Site of Canada — 442 Adelaide Street North, London
- Brick Street Cemetery — 370 Commissioners Road West, London
- Canada Life — 255 Dufferin Avenue, London
- Central Library London Public Library — 251 Dundas Street, London
- Centre of Movement Arts — Meet at 925 Dundas Street (Queens Park), London
- Clayworx Ceramic Arts Learning Centre — 664 Dundas Street, London
- Covent Garden Market (featuring the EmpowerHer Fest) — 130 King Street, London
- Dundas Place (featuring Nuit Blanche) — 179 Dundas Street, London
- East Lions Community Centre (with London East Lions Club & The Art of Living) — 1731 Churchill Avenue, London
- Eldon House Heritage Site and Gardens — 481 Ridout Street North, London
- Elmwood Lawn Bowling Club — 17 1/2 Edward Street (Wortley Village), London
- Elsie Perrin Williams Estate — 101 Windermere Road West, London
- Fanshawe Pioneer Village (featuring Hindu Legacy) — 1424 Clarke Road, London
- First St. Andrews United Church — 350 Queens Avenue, London
- Hamilton Road Culture Tour — Start at 525 Hamilton Road (Hamilton Road Seniors’ Community Centre), London
- Hyland Cinema — 240 Wharncliffe Road South, London
- Jet Aircraft Museum — 2465 Aviation Lane, Unit 2, London
- Labatt Memorial Park — 25 Wilson Avenue, London
- London Amateur Radio Club — 2155B Crumlin Sideroad, London
- London Children’s Museum — 100 Kellogg Lane, 4th floor, London
- London City Hall — 300 Dufferin Avenue, London
- London Fire Station #4 — 807 Colborne Street, London
- London Muslim Mosque — 151 Oxford Street West, London
- London Police Service — 601 Dundas Street, London
- London Research and Development Centre (Agriculture and Agri-Food Canada) — 1391 Sandford Street, London
- Museum London (featuring Simple Reflections for Artists) — 421 Ridout Street North, London
- Platinum Training Facility — 561 Southdale Road East, London
- Rising Moon Bellydance — 190 Wortley Road, Unit LL5, London
- Royal Canadian Regiment Museum — 701 Oxford Street East, London
- Secrets of Radar Museum — 2155B Crumlin Side Road, London
- SoHo Neighbourhood Tour — Meet at 255 Horton Street East (Edgar and Joe’s Café), London
- St. Martin-in-the-Fields Anglican Church — 489 Pinetree Drive, London
- St. Paul’s Cathedral — 472 Richmond Street, London
- Talbot Street Church — 513 Talbot Street, London
- Urban Roots London — 21 Norlan Avenue, London
- Wesley-Knox United Church — 91 Askin Street, London
- Western Ontario Fish and Game Protective Association — 790 Southdale Road East, London
Aurora — September 21
- Architect Talk at Aurora Town Square — 50 Victoria Street, Aurora
- Artist-in-Residence Julia Mobbs: In Studio — 50 Victoria Street, Aurora Cultural Centre Art Activity Room (Level B1), Aurora
- Aurora Public Library — 15145 Yonge Street, Aurora
- Aurora War Memorial — 14659 Yonge Street, Aurora
- Doors Open Collage Workshop — 50 Victoria Street (Aurora Town Square), Aurora
Future Grounds — 50 Victoria Street, Aurora - Harmony, Heritage and Haunts Walking Tour — Meet at Town Park (Wells & Mosley streets), Aurora
- Hillary House National Historic Site (The Koffler Museum of Medicine) — 15372 Yonge Street, Aurora
- Independent Order of Odd Fellows Lodge 148 — 15216 Yonge Street, Aurora
- Keys to the Past: An Early Keyboard Journey with Celeste Music — 50 Victoria Street (Aurora Town Square), Aurora
- Machell’s Alley — 15217 Yonge Street, Aurora
- Pine Tree Potters’ Guild — 15145 Yonge Street, basement rotunda, Aurora
- Public Art Strategy: Ready for Launch! — 50 Victoria Street (Aurora Town Square), Aurora
- Rising Sun Masonic Lodge — 57 Mosley Street, Aurora
- Royal Rose Art Gallery & Gifts — 15210 Yonge Street, Aurora
- Saltbox Cafe — 42 Wellington Street East, Aurora
- St. Anne’s School — 306 St. John’s Sideroad, Aurora
- Tales from the “Groove” by Dave’s Vinyl Party — 50 Victoria Street (Aurora Town Square), Aurora
- Trinity Anglican Church — 79 Victoria Street, Aurora
- William Rowland House — 56 Spruce Street, Aurora
Brampton — September 21
- Air Canada Flight 621 Memorial — 70 Degrey Drive, Brampton
- Alderlea — 40 Elizabeth Street South, Brampton
- Brampton Armoury — 2 Chapel Street, Brampton
- Four Corners Branch Library — 65 Queen Street East, Brampton
- Grace United Church — 156 Main Street North, Brampton
- Lorne Scots Regimental Museum — 55 Queen Street East, Brampton
- Mount Pleasant Village Library — 100 Commuter Drive, Brampton
- Old Fire Hall — 6 Chapel Street, Brampton
- Peel Art Gallery Museum and Archives (PAMA) — 9 Wellington Street East, Brampton
- The Rose Theatre — 1 Theatre Lane, Brampton
- Springdale Branch Library — 10705 Bramalea Road, Brampton
