Chicago Architecture Open House 2024. During this weekend event, you’ll have the opportunity to explore more than 170 sites across 20 chicago neighborhoods. 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 architectural, historical, and cultural significance, and highlights businesses,.

Monday, the chicago architecture center announced the 170+ sites participating in open house chicago 2024. 19 and 20, cac is highlighting over 170 locations across chicago, 25 of which are new this year.