Open House Chicago 2025. The annual open house chicago weekend, from the chicago architecture center, takes place oct. Monday, the chicago architecture center announced the 170+ sites participating in open house chicago 2025.

The open house chicago link includes descriptions of each site, with options to add your favorites and create an itinerary. For the 8th year, the chicago fed is opening its doors for the chicago architecture center’s signature (and free!) festival, open house chicago.