A once grand hotel is being retaken by the wilderness it once capitalized on.

A striking 12th-century-style castle built on the edge of a cliff.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

European castle ruins in an American state park are actually the product of death and grief.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

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

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

This crumbling little graveyard was saved from the undergrowth by concerned veterans.

A historic grist mill and active sluice on the Black River.

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

The rusting remains are visible sticking out of the waters of the Delaware Bay.

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

This Great Depression-era creation was once known as the strangest house in the world.

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

Series of storm drains connected to a dark urban legend.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

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.

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

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

One of the first commercially successful anthracite-powered iron-making operations in North America.

A soon-to-be-forgotten roadside spectacle loaded with local lore.