The former headquarters for Whitey Bulger and the notorious Winter Hill Gang.

This picturesque abandoned home is rumored to be a spite house.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

"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."

Civil War Fort on an island in the Boston Harbor.

A historic bridge with a lovely acoustic anomaly.

Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

This supermarket is suspended 25 feet above an interstate highway.

The world's largest piece of copyrighted artwork.

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

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

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

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

One of the last remaining movie theatres in the country that features a rear-projection system.

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

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

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

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

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.