A chessmaster's dream destination.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

An urban forest overtakes what was the greatest failure of utopic urban housing.

Where the author wrote her beloved "Little House" books.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This historic cliffside mansion uses a natural cave for air conditioning.

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

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

This is not your typical jungle gym.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

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

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

Community bookshelf of 25-foot-tall book spines.

This mosaic-covered bar is brimming with curated curios.

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

European castle ruins in an American state park are actually the product of death and grief.

Less a museum than a bizarre fantasy world created by artists and engineers.

This abandoned prison castle has become an imposing gallery of graffiti art.

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.