You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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

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

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

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

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

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

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

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

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

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

An extensive collection of fine art devoted to man's best friend.

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.

This is not your typical jungle gym.

A chessmaster's dream destination.

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

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

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

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

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.