This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

This recreation of a 19th-century dime museum is full of oddities.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

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

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

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Ruins of a Carnegie family mansion on Cumberland Island.

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

Now in disrepair, this 19th century station was a stop on of the famed B&O Railroad.

An old church full of restored Catholic statues is a makeup artist's labor of love.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

Take a drunken tour inside the world's largest known geode.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A crumbling hospital from the 1850s on Roosevelt Island.

A church of bones, decorated with 40,000 human skeletons.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This artificial cave looks like something out of a fairytale.