This building is one of Toronto’s most famous landmarks and a year-round gathering place. The design showcases the civic square, the podium and the circular council chamber, creating a sculptural quality that makes it such a striking landmark. Doors Open visitors can view the 27th-floor observation deck, the council chambers and the Hall of Memory. Special programming throughout the weekend.

The Toronto Humane Society (THS) is one of Ontario’s largest animal welfare organizations. With over 135 years of providing care for animals, the THS is an industry leader in shelter care, animal training, behavioural consultations and veterinary services. It is their mission to improve the lives of animals. Knowledgeable volunteers be on hand for tours and questions. Bring your camera! (No tripods allowed.)

The Architecture Building is home to the Department of Architectural Science at Toronto Metropolitan University. Completed in 1981, this unique building with dramatic atriums was designed by the acclaimed Canadian architect Ron Thom (1923-86). Thom also designed Massey College (1963) at the University of Toronto, the Toronto Zoo (1974), the Shaw Festival Theatre in Niagara-on-the-Lake (1973) and numerous other projects.

This world-class facility was the largest sport-related new build for the 2015 Toronto Pan Am and Parapan Am Games and the largest infrastructure investment in Canadian amateur sport history. The 29,000-square-metre (312,000-square-foot) centre includes two internationally sanctioned 10-lane, 50-metre (164-foot) pools, a world-class dive pool and dryland dive training facilities, a four-court gymnasium, an indoor running track and more!

The Toronto School of Art is housed within a historical building. Over the years, it has been everything from a garment factory to an artist commune. Purchased in 2016, it has been the school's permanent home since 2019. With preserved century-old features and six light-filled studios, the school continues to be a vital part of Toronto’s art community.

The Star has been a Toronto institution since it was founded in 1892. Step inside their newsroom where award-winning journalism is made. Meet some of the team and learn more about the Star’s long-standing history. Enjoy family-friendly crafts and bring home a souvenir. The Star has also been making a difference in the lives of children for 100-plus years.

Finch Yard is one of six Toronto Water operations yards in the city. This yard will showcase some of the equipment, tools, technology and materials that Toronto Water uses to ensure the distribution of high-quality water and the collection of waste-water — including 67,000 valves, 42,000 hydrants, 10,000 km (6,200 miles) of sewers, 155,000 maintenance holes and 170,000 catch basins.

The iconic Toronto-Dominion Centre is the vision of two Canadian corporations who collaborated to change the face of Toronto's Financial District. An outstanding model of the international style of architecture, the TD Bank tower opened in 1967 and changed the future of Canadian business, introducing the modern workplace to a business community eager to step up and compete internationally.

Join town of Midland staff for a walking tour of 50 murals and public artworks along the waterfront and downtown. Learn the history and significance of each piece. Dress for the weather, wear comfortable shoes, sunscreen, and bring a water bottle. Preregistration required for the guided tour at 10 a.m. (capped at 20 participants). Guidebooks will be available for self-guided tours.

Explore the Reformatory Side Trail, featuring two large ponds dug by incarcerated labourers, the Eramosa River and a beaver dam on Clythe Creek. Hiking club guides will lead 30-minute walks from 10 a.m. to 3:30 p.m. Parking is on the south side of York Road, or at Diyode Community Workshop site, off Beaumont St.

Seniors Club 105 is a community club for residents aged 50 and over in the Bay of Quinte Region. This club facilitates active living through lifelong learning, social interaction and physical activities that offer connections and support healthy living. Tours of the building and facilities will show the various activities that members participate in to strengthen social and community inclusion.

Trenton Town Hall was designated by the town council in 1983. This glorious building now houses various exhibits about local history — courtesy of the Trent Port Historical Society. Come and explore the history of Quinte West, tour the building and view short videos on local heritage.

Trinity Anglican Church has stood on this site since 1846. The current one, built in 1884 in the Gothic revival style, features stained-glass windows, stenciled walls and ornate dormers. A new sanctuary was added in 2001. As Aurora’s finest example of Gothic church architecture, it blends historical charm with modern touches. Discover its rich legacy during Doors Open.

Designed by Ottawa architect L. Fennings Taylor, Trinity Anglican Church has occupied the corner of Cameron Avenue and Bank Street in Old Ottawa South since 1926. Today’s visitors are invited to view its unique stained-glass windows, especially the Great Resurrection Window installed in 1973 behind the altar, and to learn about its exceptional Casavant pipe organ, dedicated in 1963.

On a prominent hill overlooking the city of Barrie, Trinity Anglican Church has been present since 1835. The current sanctuary, built in 1864, features vaulted ceilings, elaborate wood carvings, historic plaques marking the lives of Barrie citizens and extraordinary stained-glass windows. This vibrant and beautiful building is still an active hub in the community and welcomes all.

A church has been on this site since 1784, when Loyalists first settled here. The current church dates to 1876, dedicated to Bishop John Strachan. Built in the Gothic style, the building features marble floors, stained-glass windows, a Casavant organ and plaques and memorials to early Cornwall citizens. Outside, the churchyard features graves dating back to the late 1700s.

ln 1980, two long-established Annex congregations joined to form this church: St. Paul's Avenue Road United and Trinity United. For more than a century, Trinity-St. Paul's has been a Bloor Street landmark. Known for community outreach, social justice/service, and the performing arts, the church remains a vital community hub. Many orchestras and ensembles call it home, including Tafelmusik.

Turner Fleischer is a multidisciplinary design studio providing architecture, interior design and graphic design services across Canada. The Toronto studio has been their home for 20-plus years. Reimagined in 2020, this former 1970s industrial building was transformed into a contemporary, people-centred workplace. Explore the studio and learn how design shapes our lives. Tours, interactive demonstrations and a Lego construction zone.

Step inside Ontario's public education broadcaster! For the first time, TVO is participating in Doors Open Toronto, welcoming visitors for a behind-the-scenes look at their newly renovated William G. Davis Studio. Visitors will get a unique look at television production, exploring how one flexible space is home to many productions. Lots of kids’ activities and even special appearances by Polkaroo.

This traditional Ukrainian church, built in the Baroque-revival style, features gorgeous hand-painted iconography, ornate woodwork and a unique mosaic mural of our Lady of Holy Protection. The stained-glass windows are beautiful and are done in the Byzantine style. Take a tour to learn more about the architecture and the art, as well as some theological insights.

Ukrainian Women’s Association of Canada London celebrates its centenary by showcasing the beauty of its church, inside and out. Visit the activity centre for demonstrations and exhibitions highlighting Ukrainian culture, traditions and community life. Discover the rich history and ongoing contributions of this longstanding organization through engaging displays, cultural experiences and welcoming volunteers.

Curling is a social and interactive sport that fosters communication, leadership, strategic thinking and decision-making, all while having fun. Founded in 1919, the Unionville Curling Club has grown from its humble beginnings in a converted barn to its current home in historic Unionville, becoming one of Ontario’s most respected curling clubs. 

Visit one of Canada’s oldest remaining railway stations and one of the few 19th-century stations still located in its original trackside position. Built in 1870 for the Toronto and Nipissing Railway, this unique structure features board-and-batten siding, a gable roof and six-over-six paned windows. The municipality restored the building as a community centre in 1989.

The University of Ottawa Heart Institute (UOHI) is celebrating its 50th anniversary in 2026. For Doors Open Ottawa, participants can learn more about heart health, including our One Million Hearts screening initiative, and go on a self-guided tour of Cardiac Imaging. There are a limited number of spots for tour (ages 16+ only). Registration required.