This museum is surprisingly cool. I say "surprisingly" because it's on Navy Pier and Navy Pier is one of my least favorite places in Chicago.
Navy Pier is like Six Flags, only trashier and with less to do. The place is swarming with things like fat men wiping off sweat with their ties and tourist families trying, and failing, to control their disgusting and sticky children. Every now and then, you make eye contact with another person who is absolutely appalled by what's going on around them, but those people are few and far between.
Surprisingly, the Stained Glass Museum is cool. They have a lot of stained glass and good descriptive plaques about each piece. Overall, I picked up some interesting information and a new appreciation for stained glass windows. I really liked a lot of the windows, but this one was probably my favorite: