Malcolm X's house during his most formative years faces an uncertain future.

The world's largest piece of copyrighted artwork.

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

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

Dedicated to one of the darkest moments in Irish history.

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

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

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

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

A unique music museum housed in a historic Boston theater.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

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

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

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

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

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

No one messes with the Massachusetts sacred cod, not this time...

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Painstakingly built dioramas sit unnoticed in a Boston office building.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

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

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.