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

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

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

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

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

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

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

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

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

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

It's not a typo, now say it five times fast!

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

"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."

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

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

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.

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

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

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