Doors Open Buffalo is a day of free public access to the interiors of downtown Buffalo's most architecturally and culturally significant buildings. This is a unique occasion to see downtown as you've never seen it before: beyond the doors! Enjoy behind the scenes tours and discover architectural gems hidden in plain sight! Plan your route on the mobile friendly website or pick up a map at our information hub at the Buffalo and Erie County Public Library's Central Branch on Washington Street. All of the 30+ participating buildings are within one mile of the check-in hub.