Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

A curious statue fit for a mad tea party.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

A floating museum that was sunk by a flood and left to rot in the tides.

This small turbine mill along Rocky Creek was built in 1928

The largest riverfront opening cave in the Ozarks.

These pink granite water slides are the result of millions of years of erosion.

One of the deepest springs in Missouri.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

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

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

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

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

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

This is not your typical jungle gym.

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

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

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

This mosaic-covered bar is brimming with curated curios.

Community bookshelf of 25-foot-tall book spines.

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

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

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.