This mysterious artificial cave has long puzzled New Englanders.

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

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

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

Hut with supplies for shipwreck survivors.

An 80-year-old house built out of newspapers.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

The homestead of American patriot John Adams.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

The site of the first "historically true" UFO encounter in the U.S.

Home to the Titanic Historical Society's collection.

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

"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."

This railroad tunnel was once the longest in Massachusetts.

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

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

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

No one really knows how these old hobby horses got here, but the herd keeps growing.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

Museum dedicated to awful artwork.

A museum dedicated exclusively to the lore and history of ouija boards.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

An otherworldly musical haven in The Big Easy.