A curious sculpture garden and museum in Cochrane, Wisconsin.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

This large midwestern cavern features impressive rock formations and an underground waterfall.

Most comprehensive museum in America devoted to one ethnic group.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A fitting attraction for the corn capital of the world.