If you are an art lover, no one needs to tell you about the 'toot. Even if you are not an art lover, come here when you are visiting Chicago and you will become one.
They have one of the world's finest collections of French Impressionists, which pleases everyone. They also have many iconic works like Sunday afternoon on the Le Gran Jatte by Seurat, Nighthawks by Hopper, etc.
But the real fun of walking around here is discovery. There are many wonders to behold here, and all you need is the time and the willingness to behold, and you will be awed and uplifted, and looking forward to your next visit.
http://www.artic.edu/aic/index.php
more