This candy shop has been serving up sweets to the Louisville area since the 1850s.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

Marine fossils from the Devonian period are exposed at this park.

A park where you can watch the highway zoom past.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Nature and art meet in this curvy creation

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

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

An abandoned factory along the Mississippi coated by a giant mural.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

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

One of the world's earliest skyscrapers.

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

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

A chessmaster's dream destination.

This is not your typical jungle gym.

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

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

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The first "Hut" was actually a small brick building.