The massive machine creates cracking displays of indoor lightning.

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

The site of Paul Revere's historic two lantern warning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Narrowest house in Boston.

This landmark cemetery in Boston was created more than 300 years ago.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This picturesque abandoned home is rumored to be a spite house.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This unassuming Massachusetts residence was built with a trap door to hide escapees on the Underground Railroad.

In order to save this beloved rock, locals blew it up and put it back together piece by piece.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

A miniature village lies nearly forgotten in the forest by the side of a major highway.