All Ours Studios has converted a stand-alone warehouse and retrofitted eight shipping containers to host private art-production spaces and shared community space.

The Allan I. Carswell Astronomical Observatory is located on York University's Keele Campus. It originally opened in 1969. The observatory owns two telescopes housed in separate domes: a 60-centimetre (24-inch) Cassegrain reflector and a one-metre (39-inch) custom-built telescope — the largest at a university in Canada. Come and discover the research that happens here and learn about being an astronomer.

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.

The home of architects-Alliance, located in the art deco Commodore Building, stands at the heart of the King and Spadina precinct. Since 1999, they have witnessed the neighbourhood’s transformation from being the hub of the garment industry to the home of many clubs and condos. See how Toronto has changed around them, and how they have helped facilitate that change.

The Assembly Hall is a cultural community hub and rental facility. Built in 1898 as part of the Lakeshore Psychiatric Hospital, it was redesigned in 2001 to meet a variety of cultural and community needs, while still preserving its historical charm. Today, it is a performance venue with community rooms for art classes, meetings, workshops and rehearsals.

Atelier Akb exemplifies urban revitalization, transforming a former 1980s mechanic's shop into a creative award-winning workspace. Completed in 2024, their renovation includes an all-white interior, resurfaced concrete floors and exposed ceiling trusses. Abundant daylight fosters a sense of tranquility. The atelier is part of an enclave of repurposed industrial buildings now housing art galleries, design studios and a food retailer.

The Bata Shoe Museum is North America's only museum dedicated to exploring the history and cultural significance of footwear, housed in Canadian architect Raymond Moriyama's award-winning five-floor structure. The idea of the museum as a container came from the array of shoe boxes that house the rare and priceless artifacts, protecting them from light, moisture and dust.

This multi-purpose building has historical and cultural importance in Toronto’s East End. The main hall of this renovated church is where everything happens — including services, weddings, funerals and many social events. It's even an art gallery and industrial kitchen. It has become green with the installation of solar panels, electric vehicle chargers, LED lighting and a pollinator garden.

Billy Bishop Toronto City Airport, owned and operated by PortsToronto, is a world-class, award-winning airport. Located on Toronto Island, it offers service to more than 20 cities in Canada and the United States. Doors Open visitors can explore the underwater pedestrian tunnel, the electric ferry, interactive exhibits and a rare chance to get up close with the airport’s safety vehicles.

A self-guided tour of this office will introduce visitors to projects that represent the diversity of Brook McIlroy’s work. More than just an architecture firm, their interdisciplinary team tackles social and infrastructural challenges — from the perspective of architecture, landscape architecture, urban design, planning, art and more. Staff will be on hand from all of those disciplines to answer questions.

Campbell House — built for William Campbell, the sixth Chief Justice of Upper Canada — is the oldest surviving building from the Town of York. Fifty years ago, it was rescued from demolition and moved to its current location, where it continues to operate as a museum. This vibrant public space inspires and educates visitors through its history and collections.

Originally called Uplands, this was the summer home of the Cummings family. In addition to the main house are various cottages, now the Carriage House Studios. In 1927, the house was purchased by John Fraser, a Toronto financier, who enhanced the gardens. In 1978, the property was acquired by the City. It has operated as an arts centre/gallery since.

Canada's largest mental health teaching hospital is also one of the world's leading research centres. It offers outstanding clinical care to 38,000-plus patients a year, conducts groundbreaking research, provides expert training and advocates on public policy issues. In 2005, a bold redevelopment project added parks, art installations and paths to help break down barriers for those living with mental illness.

Established in 1981, Charles Street Video is one of the oldest non-profit production organizations supporting media artists. They host exhibitions, film screenings, installations and more, while providing affordable access to equipment and post-production editing facilities to film and media artists. During Doors Open, witness demonstrations of state-of-the-art camera and lighting equipment.

Opened in 1992, the City of Toronto Archives building was designed to be a safe, secure and efficient archives space, as well as an inviting research facility. The Records Centre houses 130,000 boxes of records. It also features a public research hall (used by researchers from around the world), conservation and digitization labs and changing exhibitions highlighting Toronto's rich history.

This is a stunning cultural facility located in Guild Park and Gardens. It features five art studios and a corridor gallery on each level. Built around an existing designated heritage building, a third floor was added to transform a former office and storage facility into a distinctive cultural landmark. Today, the Centre offers diverse and accessible arts and culture programs.

In 1874, British immigrants Jemima and John Howard donated their land to the City of Toronto to become High Park. Their home, Colborne Lodge, is now one of the Toronto History Museums. Historical records indicate that the Howards were avid players of board games. During Doors Open, rarely displayed historical board games and parlour games will be showcased and played.

Working to make Bulgaria increasingly recognizable in Canada, the Consulate General of the Republic of Bulgaria is pleased to welcome guests during Doors Open. Come and learn about Bulgarian culture and traditions.

The Danforth Carhouse began servicing streetcars in 1915. In 1921, the Toronto Transit Commission took over and expanded it to accommodate the then-new streetcars. After the 1966 opening of the Bloor-Danforth subway, the carhouse was converted into an all-bus garage. Garage operations lasted here until the site closed in 2002. Today, the barns are the TTC’s marketplace and studios.

Originally home to Knox College, this building later served as a military hospital and laboratory. It is now the University of Toronto’s John H. Daniels Faculty of Architecture, Landscape and Design. To create the faculty's new home, the restored historical building has been blended with a contemporary addition that continues to delight visitors. During Doors Open, take a self-guided tour.

The DIALOG Design Studio is a landmark transformation, repurposing a former television studio space in the iconic Canadian Broadcasting Centre into a dynamic creative hub that fosters design collaboration, focus and innovation. During Doors Open, you can explore their projects and gain insight into their design process, sparking conversations about the importance and impact of thoughtful design.

This office was built from scratch by the label in 2017. The unique location features an event space, a record store and a management office. Many of the internal features are repurposed pieces designed specifically for the space. Staff will offer guided tours where visitors can view label and artist awards, platinum- and gold-certified albums, and the unique interior design.

During Doors Open, visitors to DTAH will experience the history of a beautifully renovated modern building in the heart of downtown Toronto. This leading landscape architecture, architecture and urban design firm will offer tours where you can learn how DTAH continues to shape the city through projects like the Tommy Thompson Park Pavilion, Evergreen Brick Works and Artscape Wychwood Barns.

Run out of Glen Rhodes United, the East End Food Hub showcases the building's ongoing community role. A partnership involving Applegrove, the Leslieville Farmers' Market, Nourish East End and East End United Regional Ministry, with support from the City of Toronto, enables them to offer fresh food markets, emergency food support and community programs. Weekly worship services continue here.

Enoch Turner Schoolhouse, Toronto’s oldest standing and first free school, opened to the children of Corktown in 1849. It served as an important catalyst for accessible public education in the province. Today, the site is a museum and events venue where visitors can step back in time to an urban Victorian classroom. Come and tour the site for Doors Open.