Science, Technology & Education

Doors Open Toronto presented by Great Gulf on Saturday May 25 & Sunday May 26 to showcase some of the most architecturally, historically, culturally and socially significant buildings across the city.   Celebrating its 20th year, this year’s anniversary theme “20 Something” will celebrate the first 20 years of Doors Open Toronto while looking forward to the next 20 years. FREE!   A full list of participating buildings, special programs and walking tours will be announced on May 1 at Toronto.ca/doorsopen/.… Find out more »