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

The massive machine creates cracking displays of indoor lightning.

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

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

A beautiful Victorian-era cemetery, complete with a miniature village.

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

Bouncing, delightful, mechanical art at the MIT Museum.

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

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.

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

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

"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."

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

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