This defunct, fortress-like prison has been the setting for several movies.

The world's largest collection of the world's largest objects is in one small Illinois town.

The first full-scale tunnel built in America is short but scenic.

Alongside this Memphis trail are several sculptures that show trail-goers how to relax.

Home of an evil witch famous within southern folklore.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

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

Buy a token from the liquor store and you can make this beast spew flames on command.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

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

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

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

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

An enormous natural sandstone bridge in Kentucky.

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

Giant granite rocks standing end-to-end like a train of circus elephants.