6. NAUVOO-- Mormons
7. SYCAMORE-- Quaint downtown and courthouse plus 200 homes of architectural interest and the huge annual Pumpkin Festival. The town next to DeKalb, home of NIU.
8. WOODSTOCK-- The Square and filming site of "Groundhog Day."
9. LEBANON-- Historical downtown.
10. ELSAH-- A river town that looks like it did back then. (I am not familiar with these last two towns.)