This sculpture commemorates the first instance of an American president pardoning a turkey.

This donated headstone marks the grave of a pair of elderly women who were mysteriously murdered.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

One man built this massive wall to keep his neighbor from complaining about working on Sundays.

Site of the creepy house used in Lucio Fulci's "The House by the Cemetery."

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

The location of one of the first private Catholic schools in the country, providing a valuable sanctuary during the tumultuous period when Protestant and Catholic students were at odds.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This unassuming stone commemorates a condiment factory gone up in smoke.

A short walk through the woods will take you to an unusual flat hill top, used by the Shakers for outdoor worship.

This decrepit abandoned building is made all the more eerie by its dark history.

The right to a full beard is honored by the grave of a man who was attacked and jailed due to his facial hair.

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

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

This historic Boston building has gone from personal estate to porn theater and back again.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The Boston square dedicated to the dark poet who was born nearby.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

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

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