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

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

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

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

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

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.

Beautiful steampunk ghosts of early Massachusetts.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

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

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

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Over 50 whirling pools left behind from the glacial age.

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

The headquarters in Salem doubles as an occult art gallery.

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

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

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

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

Friction between grains of sand cause a curious "singing" sound.

An eccentric inventor's castle home with its own indoor weather system.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.