The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

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.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

This might just be the TARDIS of bookstores.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

A toxic ghost town sitting atop a massive coal fire.

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

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

A recently abandoned psych ward at the end of Sanatorium Road.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

One of the world's largest model railroads is a mind-boggling achievement.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

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.

Series of storm drains connected to a dark urban legend.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This supermarket is suspended 25 feet above an interstate highway.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

Underground tunnels remain beneath this abandoned mental asylum.

A psychedelic labyrinth on the San Francisco bay.