When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This park contains a number of standing stones meant to heal and inspire.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The abandoned coal loading dock is a canvas for unsanctioned art.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

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

The graffitied ruins stand hidden within the Pennsylvania woods.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

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

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Where America's first doomsday cult awaited the end of the world.

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

Locals call this magical moss-covered walkway the "Emerald Path."