A rock outcropping left by a glacier that made itself useful throughout the centuries.

The Burnside Fountain and its questionable interpretation.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

This candy-colored storybook village originated as a 19th-century Methodist campground.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

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

A tiny monument to the classic American candy.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

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

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

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

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

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Resonating tubes make music from highway overpass.

Massachusetts memorial to murder victim Elizabeth Short near the spot where she was born.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

"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 tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

A cave dug by a man directed by ghosts to find pirate treasure.

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

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.