In which a local geological marvel becomes a quaint roadside attraction.

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

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

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

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

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

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

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

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Self-sufficient greenhouse floating on the Hudson River.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

This little museum in the town where zombies were born celebrates the living dead.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

An abandoned stretch of highway, deteriorating next to the operational one.