The house and graveyard used in the Stephen King spine-chiller.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

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

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