25 Ookwemin Street (formerly 281 Cherry Street) is located in Toronto's future Ookwemin Minising island. Originally a Toronto Hydro Station, the space is being re-envisioned as part of Toronto’s evolving urban landscape. Enjoy rare behind-the-scenes tours and curated displays to learn about the Port Lands’ industrial history and the city’s long-term vision for a creative, mixed-use waterfront community.

401 Richmond is a heritage-designated industrial building turned arts-and-culture hub. The building was originally constructed in several phases between 1899 and 1923 for the Macdonald Manufacturing Company. It operated as a tin factory, best known for its lithographic work. That artistic lineage is still seen today with a community of nearly 150 artists, cultural producers, non-profits and micro-enterprises. (Photo: Vik Pahwa)

Constructed in 1912 for the Consumers Gas Corporation, this site welcomes visitors during Doors Open to learn about the activities and services that the city’s Transportation Division provides. Go behind the yard doors to explore traffic signs, road maintenance equipment and the salt storage area. Or see and learn about various service vehicles — including street sweepers, flushers and more.

The Academy Theatre, which hosts musical and theatrical acts throughout the year as Lindsay's premiere performance space, opened its doors in 1893. Visit this building to experience a behind-the-scenes look at this local landmark. Theatre staff will be running ghost tours throughout the day to introduce visitors to the building's haunted past. Register in advance for one of their tours.

Adelaide Hunter was born in this farmhouse and lived here until she married John Hoodless (1881). Hunter Hoodless was known for establishing several organizations – including the Hamilton YMCA, the second branch of the Hamilton Victorian Order of Nurses, and the world's first Women's Institute. Today, the homestead is owned by the Federation of Women's Institutes and operates as a museum.

Officially opened on September 30, 2014, The Advanced Research Complex is a research building at the University of Ottawa, dedicated to multidisciplinary work in Earth sciences, physics and engineering. Guests of Doors Open 2026 will be able to take part in hands-on demos for all ages, conversations with local researchers and laboratory tours. 

Toronto’s Aga Khan Museum was established and developed by the Aga Khan Trust for Culture to foster a greater understanding and appreciation of the contribution made by Muslim civilizations to world heritage. Through permanent and temporary exhibitions, see how cultures connect with one another. During Doors Open, enjoy special tours, activities and performances throughout the museum and its adjacent park. (Photo: Janet Kimber)

The AIDS Committee of Ottawa has served the community for nearly 40 years, providing support, prevention, education and outreach services that promote the holistic well-being of those living with, affected by, impacted by and at risk of HIV/AIDS in Ottawa. Overlooking the Rideau Canal, this home offers services such as subsidized gym memberships, food bank, laundry and office support.

Akin Davisville is a workspace for more than 60 artists — including painters, ceramicists, photographers, writers, textile artists and more. The building comprises three floors, which are divided into individual studio spaces and shared co-working areas. Opened in January 2024, this is one of many locations managed by Akin — a Toronto-based, artist-run community organization providing studio space throughout the city.

Founded in 1857, Albert College is Canada’s oldest independent co-ed day and boarding school. Albert College provides an enriched curriculum for approximately 300 students, pre-kindergarten to Grade 12. A "home away from home" to students from Canada and 15 other nations, the school embraces curricular and co-curricular activities through Albert’s Five A’s: Academics, Arts, Athletics, Active Citizenship and Adventure.

This site is crucial to understanding the history of residential schools and reconciliation in Canada. The Shingwauk Residential School, which operated here from 1874-1970, is now home to Algoma University. Exhibits highlight foundational concepts of healing through education, designing for change, Indigenizing the museum and “Teaching Wigwam” as a contemporary education strategy. Visitors can enter their names in a draw!

All Ours Studios has converted a stand-alone warehouse and retrofitted eight shipping containers to host private art-production spaces and shared community space. Each container features a full glass façade that is insulated, drywalled and powered to be warm in the winter, and cool in the summer. The site also has a communal tool-use workshop, gardens, courtyards and test-out mural walls.

Alliance Française was founded in Paris, France, in 1883 by Louis Pasteur, Ferdinand de Lesseps and Jules Verne. It was established in Toronto in 1902. Alliance Française Toronto embodies the modern values of humanism with a respect for linguistic and cultural diversity. Now the largest French-language school in Canada, it offers many classes and presents over 100 events a year.

Previously All Saints Anglican Church, the new “Allsaints” is housed in this beloved heritage property and building of national historic significance in the heart of Ottawa’s Sandy Hill neighbourhood. With a commitment to celebrating the building's past and preserving its architectural heritage, Allsaints is looking forward to welcome guests into the space for Doors Open Ottawa 2026.

Ameliasburgh Heritage Village has grown from one building (a Wesleyan Methodist Church built in 1868) into a complex of museum buildings and displays. Come and visit a log cabin, display barns, an operational blacksmith shop, a carpenter’s shop, a sap shanty, dairy and beekeeping buildings, a stone building housing the Goldie Corliss flywheel and the de Vries Natural Heritage Collection.

Established in the 19th century when agriculture formed the foundation of daily life and economy on the island, the Amherst Island Agricultural Society plays an important role in preserving and celebrating rural traditions. Through agricultural events, exhibitions and community involvement, the Society helps support the future of farming on the island. Visit the Saturday Market & Social at their new pavilion on the island.

When Irish settlers migrated to Amherst Island, they brought a unique way of building walls called dry stacking — layering stones without the use of mortar. This tradition has continued to this day. Although you can see beautiful displays of dry-stone stacking throughout the Island, visit Topsy Farms for an opportunity to speak to an actual dry stone waller!

The Ancaster Old Township Hall, built by William H. Thuresson in 1870, was a centre of local politics and exhibitions, including Edison’s “magic phonograph” in 1878. Today, it remains a fine example of stone architecture with original features. Retained by the City of Hamilton, visitors during Doors Open Hamilton can explore and learn about ongoing restoration efforts.

This beautiful church with recent renovations in Uptown Waterloo has an abundance of richly carved oak woodwork by Globe Furniture of Waterloo, including paneling, pews, choir stalls, a chancel screen, a pulpit and lectern, and a reredos carving of the Last Supper. Other highlights include murals and windows. Enjoy a talk: "Seagram’s: Family, Faith, and the Shaping of Waterloo."

Come and tour this new four-storey purpose-built health-care facility that is grounded by their mission to improve the health and well-being of Indigenous people in spirit, mind, emotion and body. Their programs (as well as the physical building’s design) reflect the full integration of Western medicine with traditional Indigenous healing. Also explore the beautiful artwork installed throughout.

Welcome to Annandale National Historic Site, one of Canada’s finest Victorian homes. Built in 1880 by Edwin Delevan Tillson, it showcases the esthetic movement style. Inside, visitors can explore hand-painted ceilings, intricate woodwork, stained-glass and richly decorated rooms, offering a glimpse into the Tillson family and the history of Tillsonburg.

This building was constructed on the eve of the Second World War as a church and bomb shelter. During the war, people came to pray to the Theotokos of the Passion icon for the safe return of their loved ones. All the young community men returned from the war. This icon remains a source of comfort during times of need.

This is the birthplace of James Shaver Woodsworth, one of the founders of the Co-operative Commonwealth Federation. A Member of Parliament during Mackenzie King’s term, Woodsworth was instrumental in enacting old-age pensions and unemployment insurance. The house was rescued from demolition in 1980 and moved to its current location. Today, it is largely used for weddings, special events and filming.

Founded in London, Ontario in 1908, architects Tillmann Ruth Robinson Inc. expanded to Toronto in 2005. The Toronto studio is located in a late-19th-century former carriage works. Today, the studio supports work on institutional and community-focused projects across Ontario. Come and explore a working architecture studio where history and contemporary design connect. Meet architects and see drawings and 3D models.

At this year’s Doors Open London, join ACO London Region to explore the historic courthouse where the city’s beginnings were established 200 years ago. Discover courtroom tours, engaging talks and a compelling historic exhibit. Visitors can enjoy guided tours, speak with knowledgeable guides and experience downtown’s origins through this immersive journey.