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.

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.

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!

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.

Spanning 4830 square-metres (52,000 square feet), this brand new, state-of-the-art veterinary centre is purpose-built to deliver comprehensive emergency and specialty care. Supported by a dedicated and experienced team of more than 28 veterinarians — including seven board-certified specialists — Alta Vista has proudly served the pets and families of Ottawa for over 62 years.

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.

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.

The Archives of Ontario is the largest provincial archives in Canada, with a vast collection that includes paper items, photographs, maps, architectural drawings and audio, video and film recordings. Located at York University's Keele Campus, this purpose-built facility includes a reading room with digital microfilm readers, audio and video booths, digitization and conservation labs, an exhibit gallery and a classroom.

Canada’s second-oldest rowing club is also the birthplace of the Toronto Argonauts football team. Located along the waterfront trail’s western shores, the club offers programs to fit different needs, abilities and interests. Take a tour of the facility, explore the Trophy Room, enjoy a coffee in the Henley Room, and see some of the best views of Lake Ontario.

Art and Culture in the Hall, located in City Hall, is an exhibit program that celebrates local artistic and creative talent. The current exhibits on display were created by Friends of Second Marsh and visual art students at Maxwell Heights Secondary School. Come visit the centre of municipal infrastructure and visual art, all in one!

Visitors will see how a piece of artwork is framed from start to finish. Explore digital design using advanced software, along with behind‑the‑scenes processes like computerized mat cutting, frame building, glass cutting, canvas stretching and picture assembly.

The Art Gallery of Algoma's permanent collection includes nearly 6,000 works, with a strong focus on Canadian art. Highlights include pieces by the Group of Seven, Indigenous art, modernist work and pieces from other significant artistic movements. The Gallery Shop features products created by local artists, as well as items inspired by the Group of Seven and Indigenous art traditions.

In 1978, Ottawa’s mayor recommended establishing a municipal arts centre, arts council, arts festival and a permanent art collection for the city. This building initially served as the Carleton County Court House, purpose-built in 1870-71. It was slated for demolition in 1980, but it was saved by the city and turned into the Arts Court. It officially opened in 1988.

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.

Barrel Heart Brewing is an upscale brewery and eatery in the old Dundas post office. The old-world brewing traditions are perfectly suited to the post office vibe. Visitors can enjoy lunch in the taproom, buy a few bottles of beer, or simply drink in the beauty of the location in a landmark Dundas building.

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. (Photo: ​Remi Carreiro)​

Discover the history of Bath United Church during Doors Open Loyalist Township! Constructed in 1849, it has been in continuous use since September 30, 1849. The church, inspired by Sir Christopher Wren's classical parish church design, showcases remarkable beauty. Unveil the church's captivating story and architectural heritage.

Bayview Yards is Ottawa’s one-stop business acceleration shop — bringing together innovators, entrepreneurs, industry leaders, investors and community members. Built as a municipal works building, it once contained machinery storage and repair shops, stables, offices and stockrooms. Built of reinforced concrete with brick panels, it exemplifies the modern industrial architecture popular in Canada from the 1940s to the 1970s.

The Belleville Art Association is an artistic community committed to educate, create and exhibit. Showcasing award-winning local artists as well as exciting new creators, their monthly shows bring together stunning visual works, handcrafted pieces and innovative designs. Whether you are looking to enrich your collection or searching for that unique gift, their art is sure to inspire and delight.

Constructed in 1872-73 by architect John D. Evans (the builder was John Forin) as Belleville’s market building and town hall, this attractive structure — with its tall clock tower — has dominated the downtown landscape for over 150 years. Architect Bill White’s imaginative renovations (1987-88) preserved many original interior architectural features, while adding 929 square metres (10,000 square feet) of new space.