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

A rare view of a preserved Victorian science museum.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

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

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

A layered tribute to the work of mosaicist Isaiah Zagar.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Century-old shop, specializing in Occult products.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

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