An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

The Boston home of a conductor on the Underground Railroad.

Former home of an abolitionist couple who escaped slavery and established the most active Underground Railroad stop in Boston.

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

This statue intended for children to enjoy became a minor political spat.

Final resting place of the author who wrote the ghost story "The Turn of the Screw," and his brother, the Harvard doctor and paranormal investigator.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

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

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

These items are all that remain from the room used by the author during his second tour of the U.S.

Dedicated to one of the darkest moments in Irish history.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

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

Dedicated to a colonial woman who was hanged for being a Quaker.

The former home of a Boston physician whose murder led to a revolution in forensic science.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

The final resting place of a suffragist author.

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