Chicago Architecture Open House 2024 Schedule. Every october, the chicago architecture center (cac) is proud to host open house chicago. The chicago architecture center's open house chicago is a free annual festival that typically offers access to hundreds of sites across chicago, from iconic.
Every october, the chicago architecture center (cac) is proud to host open house chicago. Open house chicago is a free public festival, the largest of its kind, providing access to places of architectural, historical, and cultural significance, across chicago.