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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

An extravagant western hotel where every floor is the "ground floor."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The seventh largest spring in the world.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

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

Man-made geyser that rises to the exact height of the Gateway Arch.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Less a museum than a bizarre fantasy world created by artists and engineers.

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

The iconic remains of the original Academic Hall that burned down in 1892.

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

Rusted and decayed, this former mining site is a portal to the past.

Erosion and time have created a naturally-formed water park.

European castle ruins in an American state park are actually the product of death and grief.