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.

The City of Brantford’s Parks & Recreation Department has long been a source of community pride. For 75 years, these greenhouses have played an integral part in the city's horticulture operations, program and reputation. The complex is used to grow the approximately 500,000 plants annually that are used in displays, annual and perennial beds and community gardens throughout the city.

Constructed in 1961, this is one of two treatment plants operated by the City of Ottawa to supply drinking water to almost one million people. Its source water is the Ottawa River. The treatment process removes undesirable substances — such as colour, suspended particles, algae, bacteria and viruses. Over the years, the site has seen significant expansion and modernization.

The Brown Homestead was settled by United Empire Loyalists in the 1780s and ran as a family farm for almost 200 years. Explore our historic site, be inspired by heritage craft demonstrations, learn through hands-on activities and view two new community exhibits. Grab lunch or a snack from Char in the Kitchen and spend time enjoying our pastoral setting.

Discover the Nature Centre at Bruce's Mill Conservation Park, while learning about nature, visiting the exploration table, taking a self-guided tour of the property and participating in a scavenger hunt activity. Learn more about conservation and all that’s offered on the grounds while you’re at the park! Entrance fees to be waived for Doors Open Whitchurch-Stouffville.

Burr House, the oldest building in Richmond Hill on original foundation, was constructed in 1820 by Roland Burr. In 1975, it was adapted for the Burr House Tearoom and Craft Shoppe. Today, it hosts the Burr House Spinners and Weavers Guild and The Hill Potters’ Guild. Visit the former shop and tearoom to see examples of fibre and clay work using a variety of techniques and styles.

The Bytown Fire Brigade Historical Society is a volunteer-based non-profit corporation dedicated to preserving, interpreting and celebrating the history of firefighting in Ottawa. They collect and maintain historical firefighting artifacts — including vintage fire trucks, uniforms, equipment and photographs — illustrating the evolution of firefighting technology. Through its efforts, they help preserve Ottawa’s firefighting heritage for future generations.

Take a behind-the-scenes tour of Ottawa’s oldest stone building. 2026 is the 200th anniversary of the arrival of Lieutenant Colonel John By in the region and the founding of Bytown. Learn something new about Ottawa's story during the city's 200th anniversary year.

The ByWard Market has been Lowertown’s focal point since 1848. This particular site has served as a market since 1875. The present building is the fifth to house the market. Home to food merchants, specialty boutiques and artisans operating in indoor and outdoor spaces, the ByWard Market Building is a landmark. For Doors Open, enjoy special tours, displays and presentations.

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 Canadian Conservation Institute (CCI) and the Canadian Heritage Information Network (CHIN), part of the Department of Canadian Heritage, were created in 1972 to advance and promote the conservation of Canada’s heritage collections. The building houses over 20 laboratories, metal and wood workshops and over 100 offices. Don’t miss “Captain Conservation,” an imposing fiberglass sculpture over the front entrance.

This former industrial site is now a 3,962 square-metre (13,000-square-foot) modernized museum featuring artifacts and displays honouring Canadian men and women who served, are serving and who did not return, focusing on Brantford, Brant County and Six Nations, from 1812 to Afghanistan. See also special displays commemorating Canadians in Hong Kong and Walls of Honour for area residents lost in war.

This site is home to North America's largest collection of operational historical military vehicles and the museum of the Ontario Regiment (Royal Canadian Armoured Corps). The museum is located on the grounds of an original Second World War airfield. Rides in their M548 “Battle Bus” and M113 armoured personnel carriers will be available but at an additional cost.

Francis H. Clergue arrived in the Sault in 1894 and established the Lake Superior Power Company and the Sault Ste. Marie Pulp and Paper Company Limited, building his own machine shop and foundry to create the machines he needed to run the businesses. Today, the property features pubs, restaurants, event spaces, The Rink and the train station.

Dating back to the 1880s, the Canfield Cemetery is the final resting place for many community members and Black settlers. Explore the cemetery's rich history with self-guided tours to learn about the family names and stories of Black settlers who sought freedom in Canfield via the Underground Railroad.

St. James Cathedral is both a parish church ministering to the historical St. Lawrence neighbourhood and a cathedral. It is the spiritual centre of the diocese and a focal point for Toronto’s civic life. Known for its towering spire and the distinctive ring of its bells, it opened for services in 1853 after fire destroyed the previous building.

This award-winning trail guides pedestrians and cyclists on a loop from the historical courthouse (built 1851) over the Canadian National bridge to King George Street and Maple Road, and back to the courthouse via Talbot Street East and Munsee Street North. See picturesque views of the river and learn about local natural and built heritage from the storyboards.

Explore Haldimand County's Black history with a guided tour of research and primary source documents in the archive. Enjoy a self-guided exploration of the gallery exhibition celebrating the Retired Women Teachers of Ontario. The building itself has several interesting design features, including chain waterspouts, standing rib metal roofing, and a "Big Bang" light by Foscarini

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.

The Hamilton’s Community Builders Tour at Hamilton Cemetery is a unique and immersive experience that explores the history and cultural heritage of Hamilton and the influential community builders who helped shape the city. The tour takes visitors on a journey through the cemetery, visiting the graves of some of the city's most influential and innovative residents.

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.

The present school building opened in 1969, but the grand original was completed in 1876 with 16 classrooms. Built of local limestone on top of Catholic Hill, with a stunning roofline and impressive belfry, it made an impressive skyline for the city. The bell from the old school was preserved and mounted beside the entrance of the new school.

Canada's largest mental health teaching hospital is also one of the world's leading research centres. It offers outstanding clinical care to 40,000-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.

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.