Heritage, History & Community Come Alive at Doors Open Peterborough | Sept 13, 2025
Kick off the school year with hands-on learning at the Ontario Heritage Trust’s Doors Open Ontario program in Peterborough. On Saturday, September 13, 2025, from 10 a.m. to 4 p.m., explore 12 free sites—from historic churches and homes to museums, theatres, and even Lock 19 on the Trent-Severn Waterway.