These pink granite water slides are the result of millions of years of erosion.

A subterranean haunt where wine and homemade biscottis are always on the menu.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

A collection of soda memorabilia that spans decades.

During the 19th-century, this park was a vital trading fort.

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

A big museum full of little worlds.

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

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

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

A kitschy, creepy St. Louis mainstay.

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

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.