You will enjoy Boonville, it is a beautiful old Missouri river town (although admittedly, not a hot spot). And of course, it is where our ancestors came to from Germany / France.
Be sure to visit the Sts. Peter and Paul cemetery, it is where most of our ancestors are buried. Also the Andrew Gantner house, which is on the national register of historic places.
Jim Thoma is a valuable resource. I wouldn't have made nearly the progress I have made without his websites.