A Mormon place of exile in Missouri.

One of America's first planned communities is preserved in a state park.

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

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A wax effigy of St. Valentine hides one of the saint's relics.

A remarkably opulent mansion with a tragic history.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

The man who was president for only one day and spent most of it asleep.

This pristinely abandoned filling station on the edge of a graveyard is populated solely by unsettling mannequins.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

A chessmaster's dream destination.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

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

A piece of John the Baptist in the American heartland.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A kitschy, creepy St. Louis mainstay.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

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

This historic cliffside mansion uses a natural cave for air conditioning.

A mysterious light of unknown origin on the backroads of Missouri.

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

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

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

This abandoned prison castle has become an imposing gallery of graffiti art.