This might just be the TARDIS of bookstores.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

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

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

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

A completely round house designed for the Atomic Age.

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

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

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

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

A layered tribute to the work of mosaicist Isaiah Zagar.

Century-old shop, specializing in Occult products.

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

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.

America's first serial killer rests in anonymity.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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