This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

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

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

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

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

The oldest soda fountain in St. Louis has been serving up treats for more than a century.

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

This is not your typical jungle gym.

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

One of the world's earliest skyscrapers.

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

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

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

One of few surviving standpipe water towers in the U.S.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

This mosaic-covered bar is brimming with curated curios.

Man-made geyser that rises to the exact height of the Gateway Arch.

One of the last remaining French Colonial style churches, this centuries-old building was constructed using upright logs and no nails.

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.

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

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

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

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.