Civil War Fort on an island in the Boston Harbor.

This candy-colored storybook village originated as a 19th-century Methodist campground.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

No one messes with the Massachusetts sacred cod, not this time...

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

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

This is the house that spite built.

Impossibly life-like natural history models created out of glass by a father and son.

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

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

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

"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."

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

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

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.

Narrowest house in Boston.

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.

Over 50 whirling pools left behind from the glacial age.

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

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.

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.