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

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

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

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

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

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

A remarkably opulent mansion with a tragic history.

A big museum full of little worlds.

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

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

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

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

Community bookshelf of 25-foot-tall book spines.

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

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

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

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

European castle ruins in an American state park are actually the product of death and grief.

A mysterious local has been dressing the child's grave for decades.

A unique blue and yellow phone booth in America's "Little Sweden."

The oldest purpose-built cinema still in operation also houses a museum of movie memorabilia.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.