A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

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

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

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

Millions of numbers carved in glass represent the tattoos forced upon victims.

Dedicated to one of the darkest moments in Irish history.

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

A steampunk wonderland that preserves America's history of industrial innovation.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

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

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

No one really knows how these old hobby horses got here, but the herd keeps growing.

An eccentric inventor's castle home with its own indoor weather system.

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

Statue commemorating the use of ether in anesthesia.

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

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Memorial to a beloved puppeteer as well as all street performers.

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

A cave dug by a man directed by ghosts to find pirate treasure.