A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The face of a woman pushes its way through the earth.

Cold War missile launch site which has been converted to a public park.

An underground city of salt.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Real bones which are said to have belonged to a Polish dragon.

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

The park that the Chicago Stockyards built.

This 1854 courthouse along the Mississippi River has a storied history.

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

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.

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

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

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

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

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.

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

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

One of few surviving standpipe water towers in the U.S.

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