This Centre operates in a beautiful historical building in downtown Ottawa. They provide evidence-informed integrative medicine, research and education across the spectrum of chronic and acute health-care conditions — such as cancer, cardiovascular health, mental health, thyroid health, women’s health, diabetes and more. Their approach emphasizes quality of life, support for the body, care of the spirit and active disease prevention.

Explore Humber Polytechnic's Centre for Justice Leadership at Toronto’s Lakeshore Campus. This site showcases the latest technology-based learning for criminal investigation, justice leadership and conflict resolution. Hourly guided tours include lab spaces, a mock courtroom, the forensic studio and crime-scene lab. Then enjoy an interactive activity in the forensic lab. Arrive early and wait inside lecture room AN 101.

The Centretown Mosque was constructed in 1911 as the First United Church — the site of Canada’s first mixed-raced marriage. Since then, it was also the Ottawa Chinese-Canadian Heritage Centre. Today, it is the first mosque to serve Ottawa’s Muslim community. Fundraising campaigns are currently underway to help preserve the site’s history — including two beautiful halls, an organ and stained-glass windows.

An example of High Victorian architecture, Century Manor was in operation as a hospital from 1884 to 1994. Indwell, a charity creating supportive housing communities, will preserve and transform this important heritage building into housing with 40 apartments and common areas. 

Registration is required (FULL).

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.

Chiefswood was given by Mohawk Chief George Johnson as a wedding present for his English bride Emily Howells. It was also the birthplace and childhood home of famous Mohawk poetess E. Pauline Johnson, who travelled throughout Canada celebrating her Mohawk heritage. Chiefswood offers a glimpse at the lives of the Johnson family, and life on Six Nations in the mid-1800s.

Built in 1842, the historic Chippawa Town Hall is a landmark building currently undergoing thoughtful restoration.  Once a hub for civic and community gatherings, the space is being revitalized to include professional offices and a cafe while, preserving its original character, stonework and the iconic clock tower. Visitors can experience guided tours and learn about the future vision for the space. 

Built in 1872, this church was constructed to harmonize with the new Parliament buildings. Named the Cathedral of the Diocese in 1897, it continues to nurture faith in creative and traditional ways. Architectural features include soaring ceilings, magnificent windows and the bell tower, home to the 516-pound bronze bell cast for the original church in 1839.

St. Bartholomew’s Anglican Church was built of local limestone. It remains an active place of worship and a concert venue today, with a history that’s closely intertwined with that of the local community, the city of Ottawa and the nation. Artifacts and windows remind us of those connections — particularly the stained-glass window behind the altar and the magnificent Létourneau organ.

This is one of Toronto’s oldest Anglican churches. Built to serve Irish immigrants, it has a long history of helping people on the margins of society. Following a 1977 fire, parishioners created a striking new ceiling and installed contemporary stained-glass windows on the south wall. The Toronto Homeless Memorial and a public labyrinth can be found outside on Trinity Square.

This church features rough grey limestone and a massive battlemented tower. Today, in addition to regular worship services, it serves as a neighbourhood hub — hosting the Avenue Road Food Bank, meetings, community celebrations and musical performances. Not usually open to the public, the church invites visitors to explore its rich history and contemporary use through tours and special events/activities.

The Centre for International Governance Innovation (CIGI) is celebrating its silver jubilee in 2026, marking 25 years of governance innovation and global impact. Explore the CIGI campus (awarded a Governor General’s Medal in Architecture), watch engaging presentations and learn how our work has contributed to bettering global policy making and improving people’s lives around the world.

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.

What happens to food you throw into green bins? Visit the big white dome at the landfill to see where the contents are mixed with leaf waste, ground, stewed, placed in windrows and churned up. After 10 weeks, the food waste contents from 27,000 bins turns into mountains of rich compost used by nearby farms to grow new food.

What happens when you flush the toilet? Find out how Peterborough’s wastewater treatment plant uses screens, settling beds, aeration, ferric sulphate, micro-organisms and ultraviolet light to turn 68,000 cubic metres (2,401,400 cubic feet) of filthy effluent into clear, clean water safe enough to return to the Otonabee River every day, since the 1920s.

Built in 1920 following water-borne cholera and typhoid outbreaks, this plant was the first in Canada to use rapid sand filtration and the second to use chlorination for disinfection. Pumps in the original Edwardian building continue to work in this modernized and expanded facility that supplies 104 million liters of safe, clean water to the city every day.

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.

In 1975, CKCU became the first campus-based community radio station in Canada. It continues to be a pioneer in community broadcasting, serving as a voice for many Ottawa identities and communities not served by the mainstream media. Offering over 100 programs in over 10 languages, CKCU is committed to diversity. Come witness live radio in the making!

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.

The Clergue Blockhouse stands as a reminder of two important periods in Sault Ste. Marie's history. The blockhouse base contains exhibits and information on the fur trade (the base was originally the powder magazine). The top floor exhibit showcases the early industrialization of Sault Ste. Marie and the man behind it — Francis H. Clergue. Clergue lived on the top floor.

Built in 1854, Cline House remained in the Cline family until 1955 when the Cornwall Library Board took possession. This fine Regency-style building is characterized by a low hip roof and central entrance. One of Cornwall's finest homes, Cline House was once the location of the Simon Fraser Centennial Library. Today, it is a thriving art gallery.

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!

This historic and picturesque 1833 grist mill is located on the Coldwater River. The site includes a free museum, a gift shop displaying the works of local artisans and a covered picnic area. Washrooms on site. Pet friendly. Barrier free. Free parking for Mill guests. 

The Coldwater Museum is a living museum, located on a beautiful 2.6-hectare (6.5-acre) historical site with the aptly named Coldwater River running through the property. It is a truly fun, community-run museum that celebrates the heritage of the original Woodrow Homestead, a beautifully preserved log cabin built in the early 1840s on a former stagecoach route.

Looking for a fun way to explore Doors Open London? Drop by Collège Boréal for our bilingual bingo! Whether you are a fluent Francophone, a French learner, or just love games, everyone is welcome. Play in French and English, explore our bright, modern, and accessible campus and have a chance to win some awesome Boréal prizes!