Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

An abandoned 146-acre summer resort slowly being reclaimed by nature.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

This mysterious artificial cave has long puzzled New Englanders.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

Painstakingly built dioramas sit unnoticed in a Boston office building.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The site of the first "historically true" UFO encounter in the U.S.

This picturesque abandoned home is rumored to be a spite house.

Books you don’t need in a place you can’t find.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

A mysterious collection of stones stand outside a small New England town.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A cave dug by a man directed by ghosts to find pirate treasure.