Doors Open Guelph returns on Saturday, April 26th, 2025, from 10:00 AM to 4:00 PM, offering free access to significant architectural, historical, and cultural sites in Guelph. The event features guided tours and interactive experiences at various locations, including community hubs, artistic spaces, historical landmarks, and research facilities. TAAG encourages you to use Guelph Transit, which provides convenient access to many sites, with specific route information provided for each location from Guelph Central Station.