The Community Archives of Belleville and Hastings County opened in 2016. A collaborative project, it was built as a partnership between the City of Belleville, the County of Hastings and the Hastings County Historical Society. The archives preserve the history of the community through records of local governments, individuals, families, businesses and organizations.

The Marine Rail Heritage Centre, housed inside the Community Waterfront Heritage Centre, was established in 1978 by a volunteer group of enthusiasts to showcase Owen Sound’s history as a thriving port. Located inside the historical railway station, this museum preserves the area’s marine, rail and industrial history with artifacts, scale models, archival photos, interactive stations and railway memorabilia.

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.

The Cornwall Armoury, home of the Stormont, Dundas and Glengarry Highlanders, is a historic military building completed in 1938. Designed in a Scottish Baronial style, it features a striking stone-and-brick façade concealing one of Canada’s largest drill halls. The armoury serves as a training centre, regimental headquarters and symbol of the region’s proud military heritage.

This museum collects, preserves and displays historical artifacts related to Cornwall and the United Counties of Stormont, Dundas and Glengarry. Their exhibit spaces host a multitude of artifacts organized by theme — the founding of New Johnstown and the Royal Townships, a turn-of-the-century kitchen, industry, law, commerce, textile, community service, health care and more. Come and explore this fascinating museum!

This 6-kilometre (3.7-mile) self-guided walking tour is a voyage into Cornwall’s heritage, depicting events and points of interest from the city’s past. The tour follows nearly 30 plaques that have been erected along Cornwall’s waterfront, downtown and in parts of Le Village in the city’s east end — representing industrial links, the former Cornwall Canal and the founding of New Johnstown.

This designated library sits on a former orphanage site that was then acquired by the federal government to house a post office in 1953. In 1997, after the post office had moved to another location and following extensive renovations, the library moved into this building, making it Cornwall's downtown jewel. Guided tours only. Registration required (9:45 a.m. and 2 p.m.).

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.

Creek View Acres is home to a growing nursery and orchard. The farmhouse was built in 1902 and is of simplified Italianate architecture featuring original large glass windows. The main barn foundation dates back to 1880. The property features a mixed orchard and a professionally landscaped botanical garden. A historical walking tour uses landmarks to tell the stories.

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.

When this church was constructed in 1911, the surrounding area was mostly farmland. But it quickly grew and was settled by English, Irish and Scottish immigrants. Despite a major renovation in 1993, the elevation from the street looks much the same — even with the new addition. Set back from the sidewalk, the site offers gardens, benches and a Little Library.

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.

Daniels Spectrum is a vibrant cultural hub located in the heart of Regent Park. It celebrates the rich cultural diversity of the local community while welcoming global perspectives. Since opening in September 2012, it has fostered social and community development, playing a pivotal role in transforming the neighbourhood into an inclusive, livable, healthy, safe and thriving community.

This award-winning building serves a representational role for the Ismaili Imamat in Canada, offering a centre for building relationships, enabling quiet diplomacy, and disseminating knowledge and information, while reflecting the humanistic/humanitarian agenda of the Aga Khan Development Network and its associated institutions. Inside, the play of light on transparent and translucent surfaces creates a dynamic visual effect.

Start your day at the Doors Open Stratford Information Headquarters! Grab a coffee downtown and pick up your map/information before starting your journey. Kresge’s “five and dime” opened here in 1929 during the Depression, offering affordable goods until the early 1970s. Later home to the National Bank, the building now welcomes visitors as Stratford’s tourism centre.

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.

Nestled in the heart of Manotick Village, Dickinson Square shares a remarkable past rooted in Canadian history and industrial ingenuity. Run by Watson’s Mill Manotick Inc., Dickinson Square comprises two sites: Watson’s Mill and the Dickinson House Museum. This heritage home explores the lives of the past mill owners. After touring this historical museum, check out the adjacent mill.

The Diefenbunker is Canada’s most significant surviving Cold War artifact. It is an impressive four-storey underground facility that operated as the country’s central communications headquarters during the Cold War, ready at any moment in case of a nuclear attack. Now a museum, the Diefenbunker offers a one-of-a-kind experiential learning environment, coupled with award-winning programs, events and exhibitions. Registration is required.

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.

A 232-square-metre (2,500-square-foot) community workshop offers tools and supplies for woodworking, metalworking, electronics, prototyping and crafting. Memberships are available, and there is a community of makers who are always excited to discuss and collaborate on projects. Diyode's mandate is to support a do-it-yourself culture, encourage people to build rather than buy and repair rather than discard.

Built in the 1840s, this picturesque building was a doctor's office for six consecutive local physicians and served generations of Dundas patients until 1974. When the office was under threat from nearby construction, Dr. Clarence Bates donated it to the Dundas Museum where it was moved on a truck. It is now the largest artifact in the Museum's collection.