A small abandoned and abused cemetery that has become a magnet for ghost hunters.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

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

The world's largest collection of the world's largest objects is in one small Illinois town.

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

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

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

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

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A kitschy, creepy St. Louis mainstay.

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

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

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

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

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

This is not your typical jungle gym.

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