Join local historian Don Willcock for this guided walking tour of Peterborough's historical downtown. The tour will cover a variety of themes, such as education, recreation and sport, and law. Three 30-minute tours will be available throughout the day for Doors Open. Parking will be available at City Hall and the Peterborough Collegiate and Vocational School.

Join local historian Elwood Jones for this guided walking tour of historical East City. Learn all about local landmarks, such as St. Joseph's Hospital, Westclox and Immaculate Conception Church. Meet at the corner of Armour Road and Hunter Street East on the lawn of King George Public School. There will be two 45-minute tours offered throughout the day.

In 1902, American Cereal (later Quaker Oats) began producing cereal, flour and farm feed at its new Peterborough plant. In 1916, a fire and explosion destroyed the mill. Join local historian Gord Young, who published a book about this devastating event, for a 30-minute walking tour of the bridge and site and learn how Quaker Oats rebuilt its facility.

The former King George Public School was one of Peterborough's "Royal Schools" (along with Queen Mary, King Edward, Queen Alexandra and Prince of Wales). It closed in 2019 and a new school opened next door in 2021. Find out more about Public Energy Performing Arts, who will take over the historical building for "Erring at King George," a multi-arts festival.

This 1908 school faces Confederation Square and blends with the civic buildings typical of the era. In 1927, another wing was added and, in the 1970s, a modern cafeteria. Follow in the footsteps of famous alumni Serena Ryder, Jim Balsillie and Lester B. Pearson as you admire grand staircases, original wainscotting, terrazzo floors and stained glass at this heritage gem.

The PMA tells the story of Peterborough and its surrounding area. The present building was constructed in 1967 to mark Canada's centennial. In 2017, a highly acclaimed restoration was completed. During Doors Open, come and explore their new exhibit “Home and Away: Stories of Travel from Peterborough and Beyond,” developed by Fleming College's Museum Management and Curatorship students.

Since 1965, the Peterborough Theatre Guild has been home to fabulous local theatre. Originally constructed as St. Luke's Anglican Church, it was gutted by fire in 1959 and purchased by a group of locals, spearheaded by author Robertson Davies, who renovated it. Award-winning theatre has been staged here ever since. For Doors Open, come for a behind-the-scenes tour.

This former YMCA at the corner of George and Murray streets is the work of local architect William Blackwell, and forms an important part of Peterborough’s historical downtown. After 100 years, the YMCA left this iconic turreted building. Begun in 2017, it was transformed by Atria Developments into rental units known as the Y-Lofts. Come and explore this fascinating space.