People who think Iowa is flat are in for a surprise when they visit Dubuque, a Mississippi port built on seven hills.
What to do: Visit the National Mississippi River Museum & Aquarium. Hike or snowshoe in the Mines of Spain Recreation Area. Ski downhill at nearby Sundown Mountain.
Events to catch: Jan. 16-17, Ice Fest at the River Museum.
Details: See Destination Dubuque.