Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

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

A kitschy, creepy St. Louis mainstay.

University City's quirkiest resident lives in a park named after its first.

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

This giant green head remembers one of America's jazz giants.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

A big museum full of little worlds.

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

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

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

Another in a long tradition of legends regarding infernal seats.

A piece of John the Baptist in the American heartland.

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

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 show pony of cave systems, Fantastic Caverns manages to live up to its name.

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

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

A museum celebrating the Victorian obsession with hair art.

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

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

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

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