Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

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

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

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.

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

Elvis's own personal tropical hideaway.

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

Walk into the 19th century without leaving Brooklyn.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Ride the subways of yesteryear.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

Eighteen miniature death-scene dioramas.

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

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.