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

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This supermarket is suspended 25 feet above an interstate highway.

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

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

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

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

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

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

One of the now-less-hidden floral gems of the "Emerald Necklace."

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

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

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

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

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

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

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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