A mysterious stone embedded at the base of a historic Boston building.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Silverware in the sidewalk outside a grocery store cements this neighborhood’s Italian culinary history.

A centuries-old church stands as a testament to Boston's "father of architecture."

A school used as a model for public education across the country.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

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

The infamous Boston Mob ran rackets from an office here in the 1970s.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Tragedy on Little Brewster Island memorialized.

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

This memorial honors those who served on Gallops Island Radio Training Station during the second World War.

A stone marker commemorating the first time sound was transmitted over wires.

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

This large cemetery is known as the museum of granite sculptures.

A lonely memorial to the Challenger Space Shuttle, honoring the astronauts who died in 1986.

Stolen goods adorn the organ at Old North Church.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

Narrowest house in Boston.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.