The graves of a Connecticut family thought to have been plagued by a vampire.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

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

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

Hundreds of iconic jazz records were made in this church-like space.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

The final resting place of one of the United States's greatest poets.

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.

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

The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."

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

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

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

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

The pieces in this sculpture garden are made from demolished buildings that were once landmarks of Motor City.

Glass and concrete building designed by Albert Kahn.