The vast, legendary catacombs hold secrets much stranger than stacked bones.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

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

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 twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

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

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

A chessmaster's dream destination.

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

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

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

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

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

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

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

This is not your typical jungle gym.

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