Curious rock formations in a tiny Kansas state park.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

A unique attraction and museum dedicated to exploring iconic roadside structures.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Home to Hollywood history and a very special salt crystal.

This small turbine mill along Rocky Creek was built in 1928

The largest riverfront opening cave in the Ozarks.

A version of this picturesque mill has existed since the 1800s.

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

The deepest spring in Missouri.

During the 19th-century, this park was a vital trading fort.

A sculpture of a giant man escaping from the depths of the Earth.

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

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

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

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

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