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

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

A men’s restroom became a sandwich shop.

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

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

This railroad tunnel was once the longest in Massachusetts.

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

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

The bears may be gone, but their old cages can still be found.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

A museum dedicated exclusively to the lore and history of ouija boards.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

A collection of full-size movie monsters opened to the public.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The only structure left with direct ties to the Salem witchcraft trials of 1692.