In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

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

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.

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

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

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

A layered tribute to the work of mosaicist Isaiah Zagar.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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