Chicago touring info

[Dancingfish Senior Member Find all posts View Profile Close Dancingfish]

We will be in Chicago for a weekend wedding in November and will have one day to play tourist. Anyone from the area have a recommendation as to a good tour? I was thinking a quick minibus tour and then a walk through millennium park.
Thoughts and suggestions?

[Luanne Senior Member Find all posts View Profile Close Luanne]

When we went several years ago we took an architecural tour on the river. It was recommended to me by someone who lives in the area, and it was wonderful.

I think this is the one we took:

http://caf.architecture.org/page.aspx?pid=574