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

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

The world's largest piece of copyrighted artwork.

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

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

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

The massive machine creates cracking displays of indoor lightning.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

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

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This supermarket is suspended 25 feet above an interstate highway.

"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."

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

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