The world’s first penitentiary, meant to be humane, drove men insane.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

Take a step inside the picturesque studio of America’s most renowned sculptor.

This elaborate towering structure was once famed for its revolutionary height.

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

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

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

Step into a pastel time capsule where candy is truly dandy.

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

For more than 25 years, this Philadelphia store has been offering a wide selection of Victorian oddities and antiques.

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

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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!

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

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Three acres of mythology-inspired sculptures are visible from the highway.

Paths are maintained, but trees have taken over plots.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

"Mock all and sundry things, but leave the saints alone."

Silverware in the sidewalk outside a grocery store cements this neighborhood’s Italian culinary history.