More than 12,000 years ago, this park was a playground for mastodons.

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

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

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

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

University City's quirkiest resident lives in a park named after its first.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

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

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

One of the world's earliest skyscrapers.

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

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

A chessmaster's dream destination.

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 mosaic-covered bar is brimming with curated curios.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

European castle ruins in an American state park are actually the product of death and grief.

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.

The world's third-largest scale model of the planets.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

Abandoned silver mine strewn with wrecked and twisted structures.