This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A crumbling hospital from the 1850s on Roosevelt Island.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This mouldering abandoned mental hospital was once a center for progressive healing.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

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

Final resting place of two dozen New York City harbor ships.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

This abandoned amusement park was built on a site with a dark history.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

An abandoned castle owned and ignored by Masons carries a cursed history.