In the Shawnee National Forest, amazing rock formations peer through the treeline.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This overgrown Illinois water park offers a whole new type of adventure.

Shop of curiosities with a dinosaur museum tucked in its basement.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

Museum with an extensive collection of Cray supercomputers and related artifacts.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A unique botanical garden housed in three giant geodesic domes.

Five acres of divinely inspired folk art.

Vikings and Evangelicals have both had a hand in this replica medieval church.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bizarre house filled with an astounding array of collections.