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

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

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

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

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.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

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

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

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

The headquarters in Salem doubles as an occult art gallery.

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

Museum dedicated to awful artwork.

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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.

An enormous, inside-out glass globe built in 1935.