This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

A tiny monument to the classic American candy.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

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

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

This is the house that spite built.

A small plaque promises cold, hard cash in exchange for work by the famous pop artist.

One of America's most historic homes also holds a startling literary legacy.

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

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.