Mark your calendars for a free, weekend-long public celebration of Philadelphia’s remarkable architecture, history, and vibrant neighborhoods!
Launching in May 2027, the Preservation Alliance for Greater Philadelphia is bringing this world-renowned festival concept to the City of Brotherly Love. Doors Open Philly invites residents and visitors alike behind the scenes of iconic landmarks, hidden gems, and innovative spaces across the city.
Whether featuring groundbreaking design and technology, creative adaptive reuse, historic preservation, or deep community roots, each participating venue offers a fresh perspective on the spaces that shape Philadelphia. Don’t miss a weekend of free public tours, exploration, and discovery!
Want to feature your space? Fill out our Site Participation Inquiry Form.
Thank you to our Early Sponsors!
Interested in sponsoring this event? Email us at doorsopen@preservationalliance.com for details!
The Preservation Alliance for Greater Philadelphia is a membership-based, not-for-profit advocacy organization that shines a spotlight on the places that make the Philadelphia region special and gives a voice and a toolbox to those who care deeply about protecting them for the future. Through educational outreach, planning efforts, and direct advocacy, the Preservation Alliance is the region’s principal public champion of our historic built environment.