Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

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

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

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

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

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

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

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

An abandoned concrete jungle surrounded by a lush park.

Like Stonehenge, but with boats and oodles more charm.

A remarkably opulent mansion with a tragic history.

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.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

A subterranean haunt where wine and homemade biscottis are always on the menu.

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

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

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

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.

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

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

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

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