In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

Cold War missile launch site which has been converted to a public park.

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Erosion and time have created a naturally-formed water park.

Curious cave that stays a cool 56 degrees all year long.

A mysterious light of unknown origin on the backroads of Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.