A rock outcropping left by a glacier that made itself useful throughout the centuries.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

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

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

The mighty room where the poet spent most of her life is available to rent for an hour or two.

The monumental steeple on Amherst College's campus has no church attached to it.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

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

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

A monument to the Mohawk people stands along an old Native American trade route.

Locals say Williams' ghost still haunts the place where she was murdered.

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

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

This impressive Boston holy house is the American mecca for Christian scientists.

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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