The last remaining 19th-century tenement from Boston's old West End neighborhood.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

This beautiful architectural gem was the first waste treatment facility in Boston.

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

The hill that gave the Massachusett tribe, and later the state, its name.

Stolen goods adorn the organ at Old North Church.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

The Burnside Fountain and its questionable interpretation.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

This impressive Boston holy house is the American mecca for Christian scientists.

A monument to the Mohawk people stands along an old Native American trade route.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Dedicated to one of the darkest moments in Irish history.

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

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

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

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

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

Civil War Fort on an island in the Boston Harbor.