Explore Toronto's hidden gems during Doors Open Toronto, taking place May 24 and 25, 2025. With over 150 buildings and sites open to the public free of charge, this weekend offers a unique opportunity to discover the city's architectural, historical, cultural, and socially significant spaces. From sports venues to music halls, theaters, and more, there's something for everyone. Sites are generally open from 10 a.m. to 5 p.m., but be sure to check specific listings for any variations. In addition to exploring the buildings, you can also enjoy talks on architecture, design, and the city's history, as well as guided neighbourhood tours. Share your experiences using #DOT25.