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.

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.

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.

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 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.

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.

Dating back to 1796, this home once belonged to the Gage family. While on site enjoy the Dunington Grubb landscape and the 13.8 hectares (34 acres) of meadows and forest that make up the property. Explore the contrast between the Tudor Gothic Revival Battlefield Monument and the artwork Eagles Among Us, symbols of peace and reconciliation.

Experience the birthplace of the telephone at the Bell Homestead National Historic Site. Tour the furnished family home of the Bell family from 1870 to 1881, where Alexander Graham Bell invented the telephone in 1874. The site also features the Henderson House, Canada’s first telephone business office from 1877, and an exhibit gallery showcasing early telecommunications.

The Belleville Masonic Temple was built in 1950 to provide a new meeting place for community events for the then-four active lodges and their concordant bodies. This hall can seat up to 150 guests and contains a fully serviced kitchen and a fully licensed bar. During Doors Open, enjoy this rare opportunity to explore inside a Masonic temple.

Originally a farm purchased in 1840 by Thomas Fenby Boynton, the Boynton family built the current brick house in 1875 to replace a log home. Boynton House is a community art exhibition space: explore Viewpoints 2026, the annual juried art show of the Markham Group of Artists showcasing a broad spectrum of artistic styles. The works reflect strong artistic integrity and celebrate ingenuity, inventiveness, and imagination.

The Brantford Airport was established in 1939 as a Second World War flight training base. Currently, it is used for flight training, general aviation and aircraft maintenance. During Doors Open, visit the Flight Centre where club members will provide a guided tour of the airport and its history, and explain what is happening there today.

Learn about local train history and explore this station and museum, built in 1908, now an event and rental space. The museum hosts a historical water tower and a restored caboose train car that is being transformed into a museum exhibit that displays the massive restoration project that took place in 1996.

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.

The Canadian Automotive Museum was established in 1962 to promote the history of the automotive industry and local tourism. It currently showcases the most significant collection of Canadian automotive history worldwide. Located in a former 1920s auto dealership across from Memorial Park in downtown Oshawa, there are more than 70 vehicles on display, including Lightning McQueen from Disney/Pixar’s Cars.

The Central Presbyterian Church, designed by John Lyle and opened in 1908, replaced an earlier church that was destroyed by fire. This was his only church. The flat roof resembles more the public buildings favoured by the beaux-arts style than traditional European churches. Central Presbyterian has one of the largest and finest Casavant organs in Hamilton. Recitals to be announced.

Circling Hawk Honey & Mead is the only commercial meadery in Richmond Hill. Built and operated as an equestrian farm until 2010, the site was converted to mostly agriculture as a secondary use. Learn about sustainable farming practices on a tour of the winery, bee yard, fruit orchards, horse stable, and extraction facilities while enjoying live entertainment.

Club Carib, founded in January 1966, houses the Hummingbird Dancers and Oshawa Sounds of Steel. It also serves as a community banquet hall for weddings and conferences. During Doors Open, enjoy a 30-minute steel pan performance. The Caribbean Café will also offer food and refreshments (while supplies last). You can also try your hand at playing the steel pan!

Rebuilt following a devastating fire, Knox Presbyterian remains a cornerstone of Stratford's spiritual and cultural life. Its magnificent stained-glass windows, including a stunning seven-panel installation, have been recently restored. While the congregation continues to worship here, the building is also being prepared for Copperlight, a new hospitality and arts venue. Return for a special ticketed dinner/concert Saturday evening (pre-booking required).

The Corby Park Rose Garden is in the old east village of Belleville, a great area for exploring heritage homes, just a few blocks from the Bay of Quinte. The garden has a stunning water fountain and, at the centre of it all, you get a beautiful view of the entire garden — perfect for a family outing or wedding.

Step into the Cotton Factory, a vibrant creative hub in lower Hamilton and a stunning adaptive reuse of the 1900 Imperial Cotton Company. Home to artists, artisans, and creative professionals, it offers open studios, galleries, pop-up markets, and versatile event spaces. Discover dramatic Gothic industrial architecture, original details, and a rare, fully operational 1944 Otis Fensom freight elevator.

Step into the 1860s at Cottonwood for guided tours that will be running daily, as well as a chance for families to participate in a scavenger hunt through the mansion. View the Italianate and Georgian architecture, and use the stereoscopes — a popular Victorian pastime that you now have the chance to try.

In 1960, NATO and the Canadian Department of National Defense built a satellite communications facility here that provided communications between all NATO countries until 1999 when the site was decommissioned. In 1999, it was purchased by Canadian Space Services Ltd. to serve as its corporate headquarters. Today, interior space is rented to local businesses for meetings, workshops and parties.

The Cumberland Heritage Village Museum provides visitors with an immersive, seasonal experience that showcases rural life in the 1920s and 1930s in Eastern Ontario. Tour an operational sawmill and blacksmith shop, an old train station and caboose, a one-room schoolhouse, a print shop, a 1927 Imperial Gas garage, a 1904 church and several family homes and barns.

The Curtain Club Theatre has entertained Richmond Hill for over 70 years, supporting live performances, rehearsals, and programs while nurturing local talent. Guided tours offer behind‑the‑scenes access, chances to view and photograph archival materials, and opportunities to learn about the theatre’s history, notable productions, and enduring role within the community.