Take a drunken tour inside the world's largest known geode.

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

One of the world's earliest skyscrapers.

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

One man's unrequited love stands in a glass box forever.

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

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

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

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

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

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

Where the author wrote her beloved "Little House" books.

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

A kitschy, creepy St. Louis mainstay.

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.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

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

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

A historic lighthouse steeped in rumors of ghost and pirate stories.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.