Even if it looks like a touristic thing it's worth it!! The views from the river are great!
It's the best place to see Chicago architecture :)
There are lots of them. Take the one from the Chicago Architecture Fopundation and at least you for sure that they are going to give you the best info.
It's 28$ per person and the duration is 90 minutes
Architecture river tour
cocobelle added
Completely agree with you!

