The most interesting topography in Wisconsin has to be the "Driftless Area," a large swath of land that glaciers missed as they squished other parts of the Midwest 10,000 years ago. You'll find few to zero natural lakes in this region, but streams, coulees and bluffs galore. Try this loop out of and back to Prairie du Chien for a great cross-section of this gorgeous place.
Discover Wisconsin: A road trip through Wisconsin's Driftless Area

