Open House Chicago 2024 Tickets. Explore over 170 architectural gems in 20+ chicago neighborhoods during open house chicago, oct. Located on the ninth floor of an.

Choose from different itineraries and themes, such as new sites, theaters, libation stations, and more. Every october, the chicago architecture center (cac) is proud to host open house chicago (ohc)—a free public festival that instills civic pride through providing access to places of.