An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

These disused steel furnaces are now haunting ruins that may one day be a national park.

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

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

This empty Detroit high school was too expensive to maintain or destroy.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

An abandoned water sports stadium that has become a haven for graffiti and decay.

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

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

An abandoned factory along the Mississippi coated by a giant mural.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

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

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The second tallest railway trestle bridge in America.

A former zoo turned public park, where visitors can hang out in the old animal cages.

The bears may be gone, but their old cages can still be found.