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

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

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

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

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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.

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

Lone survivor from Custer's Last Stand forever preserved.

A college in rural Kansas founded to prepare the country for an impending World War III.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

This sacred space and gathering spot for the Wyandot Nation has been the surrounded by controversy and confusion.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A piece of John the Baptist in the American heartland.

A museum celebrating the Victorian obsession with hair art.

Giant granite rocks standing end-to-end like a train of circus elephants.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.