This railroad tunnel was once the longest in Massachusetts.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

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

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

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

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

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The bears may be gone, but their old cages can still be found.

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 ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Over fifty whirling pools left by the glacial age.

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

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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

Friction between grains of sand cause a curious "singing" sound.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

An eccentric inventor's castle home with its own indoor weather system.