From the Chicago Tribune.
It is a free public festival that offers behind-the-scenes access to 200 buildings across Chicago-- no tickets required.
This is the 5th annual Open House Chicago.
You can also get mobile-friendly info at openhousechicago.org.
This is put on by the Chicago Architecture Foundation.
Sites are located:
Far south neighborhoods
Near north neighborhoods
Far north neighborhoods
Well, I'll be in Evanston tomorrow, but won't go on the tour as I will be at the Northwestern-Iowa game.