America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

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

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

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

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

"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."

Trash escaped from a landfill to fill beaches with all kinds of treasure.

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

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

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

Dim sum, served in a grand old theater.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

A little Lego easter egg is hidden underwater in the Boston Tea Party tableau at Miniland.

This unassuming stone commemorates a condiment factory gone up in smoke.

This Massachusetts home was the first to have a telephone line and its own phone number: 1.

A unique columnar residence built in the 19th century.

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

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.