The historical Windfields Farm — birthplace of celebrated horse Northern Dancer — has been transformed into a sustainable agricultural research centre for the Ontario Tech University. This open-air laboratory pioneers innovative farming methods, conserves biodiversity and integrates renewable energy. Shuttle-bus access only: In celebration of Oshawa’s centennial, a shuttle bus will take you from Ontario Tech’s Campus Ice Centre to the site.

The third-oldest established community in Ontario, Ancaster Village has a unique history, much of which is preserved in built form. Located at the intersection of ancient native trails traversed by the earliest explorers and later visited by major figures in Canadian history, the village is home to many charming shops, restaurants, wedding venues, an inn and beautifully maintained historical buildings.

404 York Road offers visitors an eclectic mix of the arts along with the Lost Aviators Coffee Co. to refuel in between Doors Open stops along your itinerary. The building encompasses Ed Video — a charitable media arts centre — the Artworks Gallery Guelph and Azure Photography. Note: The Artworks Gallery Guelph’s will feature Adam Honsinger and Rain Bone performing original music.

After 153 years in the original town hall (now the Provincial Offences Court), Guelph's new city hall opened in 2009. Designed by Moriyama Teshima Architects, it combines the original firehall and the wall from the Provincial Winter Fair with modern green-building technologies. Step into the courtyard to see the old town bell and the centre-ice marker from the Memorial Gardens.

In 1935, the first Little Theatre opened at Guelph City Hall. In 1993, a fire forced the theatre out of the Salvation Army Hall on Dublin Street. In 1997, it moved into a former welding shop that now features a 288-seat raked auditorium, gracious lobby, rehearsal hall, workshop and dressing rooms.

This Agriculture and Agri-Food Canada research centre focuses on food safety and value-added food attributes to help foster a profitable and sustainable agri-food sector in Canada. During Doors Open, observe the many labs and learn from food scientists about research being conducted on food quality, food safety, enhanced health benefits and new areas of research on the horizon.

This building, previously a British Methodist Episcopal Church, was built in 1880 by former Black slaves using limestone quarried from Essex Street. In 2012, the Guelph Black Heritage Society purchased and renovated the site, which is now a cultural, historical and social centre. Experience the mosaic tile Underground Railway quilt that tells the story of Guelph’s Black community.

This Victorian Renaissance revival-style building served as Guelph’s town hall from 1856 to 2009 when the new city hall opened. Designed by William Thomas, it features carved stone, quarry stone quoins and a vermiculated key stone arch around the doors. In 2009, it was adapted as a courthouse, featuring original windows, crown mouldings, arched cells and a performance hall.

St. Thomas Christians can trace their origins to the arrival of St. Thomas on a lagoon in Malankara, India. Built in 2017, this 2,137-square-metre (23,000-square-foot) building contains a beautiful 750-seat sanctuary, seniors’ recreational room, youth room and spectacular chandeliers. Take a guided tour, browse exhibits to learn about faith, beliefs and rich cultural heritage, and stop by the food sale.