The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

In which a local geological marvel becomes a quaint roadside attraction.

Yo, Adrian!

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

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

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

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.

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

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

Mysterious rocks that ring musically when struck.

Where America’s first doomsday cult awaited the end of the world.

An abandoned stretch of highway, deteriorating next to the operational one.

The world’s first penitentiary, meant to be humane, drove men insane.

A toxic ghost town sitting atop a massive coal fire.

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

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