A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

These etchings reveal the history of a long-gone quarantine site.

Over 50 whirling pools left behind from the glacial age.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

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

This railroad tunnel was once the longest in Massachusetts.

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

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

A school used as a model for public education across the country.

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

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

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

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

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Bouncing, delightful, mechanical art at the MIT Museum.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”