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

The homestead of American patriot John Adams.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The massive machine creates cracking displays of indoor lightning.

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

"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."

This landmark cemetery in Boston was created more than 300 years ago.

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.

The site of Paul Revere's historic two lantern warning.

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

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Three prestigious academic collections come together to create a world-class natural history museum.

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