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

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

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

Hundreds of samples of "Devil's Rope" hide in a defunct vintage elevator.

Why settle for barbecue chips when you can get actual barbecue?

A remarkably opulent mansion with a tragic history.

A museum celebrating the Victorian obsession with hair art.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

This otherworldly church spire reaches up toward the heavens.

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

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

A piece of John the Baptist in the American heartland.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

The magazine keeps a perfectly groomed display garden for its photo shoots.

This Kansas City studio was home to Walt Disney's first animation business.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

An abandoned concrete jungle surrounded by a lush park.

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

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

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

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

The animals wander freely amid this gorgeous stretch of nature.