This decrepit abandoned building is made all the more eerie by its dark history.

What may be Boston's finest Art Deco building, located in the city's Financial District.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

A quaint museum nestled in a former hub of Irish moss harvesting.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

A disastrous shipwreck and a tragic love story.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

A steampunk wonderland that preserves America's history of industrial innovation.

The oldest surviving wood-frame building in North America is still in the family.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

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

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

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

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

"Mock all and sundry things, but leave the saints alone."

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

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.