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

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

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.

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

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

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

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

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.

An abandoned factory along the Mississippi coated by a giant mural.

A floating museum that was sunk by a flood and left to rot in the tides.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

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

An abandoned meat mecca now serves as an excellent locale for urban exploration.