I was lucky enough to catch a Tuesday night behind-the-scenes tour of the Chicago Theatre. (Because it was a dark night at the theatre, we got to see nearly everything - back stage, the green room, dressing rooms, the works.) I am so glad I took this tour! It's a gorgeous historic building. We even got to go on stage! (They asked if anyone had a song. I couldn't resist belting the last few lines of All That Jazz! Very appropriate, no? Acoustics were amazing, with the sound traveling right back to you.)
Backstage, there are all these signatures of people who have played at the theatre: Frank Sinatra, Kathy Griffin, David Copperfield, all kinds of folks. And the building itself is a marvel of French Baroque and marble and chandeliers and decorative plaster work. Highly, highly recommended.