This defunct, fortress-like prison has been the setting for several movies.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This once-private estate is now a dreamy, meditative garden that's open to the public.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

In the early 1800s, surgery was also a show.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A failed piece of Orientalism has become the proud symbol of a community.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.