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

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

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A remarkably opulent mansion with a tragic history.

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

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Another in a long tradition of legends regarding infernal seats.

An underground wonderland in Iowa.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

Like Stonehenge, but with boats and oodles more charm.

Home to Hollywood history and a very special salt crystal.

These otherworldly limestone formations jut out from the Kansas prairie.

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

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

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

Curious rock formations in a tiny Kansas state park.

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

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

A ghost town that held steady longer than most, but finally gave up the ghost.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

A ghost town now swarming with dozens of prairie dogs.

Just a man taking his prehistoric pet for a stroll.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

This interpretive path lets you get up close and personal with dinosaur bones.