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

A small Richmond island dotted with the remnants of hundreds of years of history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

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.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A mysterious castle built as a monument to lost love.

America's oldest archaeological site or a muddled case of wishful thinking.

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