The Home and murder site of the witch of Rehmeyers Hollow.

The first American department store, and home to the largest operating musical instrument in the world.

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

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

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

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

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

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

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

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

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

Dr Barnes' $25 billion private collection of art and arboretum.

This might just be the TARDIS of bookstores.

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.

A park full of outsider art, created by college students studying outsider art.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

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

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

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.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

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

Huge masonic hall in Philadelphia with lavishly themed rooms.