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

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

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

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

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

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.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

This hidden labyrinth offers walkers some brief peace of mind.

A unique columnar residence built in the 19th century.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

Eat first, shop later at this eatery within an Asian grocer.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

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

One of the few remaining monuments dedicated to South Boston's Irish heritage.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

Statue commemorating the use of ether in anesthesia.

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

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.