This is not your typical jungle gym.

A chessmaster's dream destination.

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

A floating museum that was sunk by a flood and left to rot in the tides.

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

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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

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 small-town park in southern Illinois has a 1,000,000-gallon swimming pool and a 100,000-barrel oil well.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.