This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

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

This small shop walked so America could run on Dunkin'.

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

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

One of the indelible moments of the American Revolution took place at this location.

An elaborate, hidden model train in the Needham Town Forest.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

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

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

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

This mysterious artificial cave has long puzzled New Englanders.

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

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

Hut with supplies for shipwreck survivors.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

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

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

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.