Open House Chicago (OHC) is the city’s annual architecture festival. Explore Chicago’s most iconic and unique architectural treasures including our own historic landmark building. From mansions to sacred spaces, theaters to private clubs, hotels to secret rooms—OHC gives visitors a behind-the-scenes look at many of the city’s great spaces that are rarely, if ever, open to the public.
OHC is completely free-of-charge—no registration or tickets 
are needed.
For further information visit: openhousechicago.org