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

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

One of the world's earliest skyscrapers.

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.

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

This unassuming riverbank is Missouri’s first designated site in the National Underground Railroad Network to Freedom.

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

An abandoned meat mecca now serves as an excellent locale for urban exploration.

A notorious Route 66 eatery once frequented by Al Capone.

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.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.