A World War II evacuation tunnel turned into a history display of Croatian state and people.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The remains of a sunken military ship wreck visible through clear water.

Rippling sand dunes frozen in the Arizona rock.

Beautiful natural falls where Satan once ruined a pot of beans.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This historic patch of real estate offers a glimpse of colonial Boston.

"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."

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.

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

Beautiful steampunk ghosts of early Massachusetts.

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

The massive machine creates cracking displays of indoor lightning.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

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

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The stunning interior of this Gothic church is covered in ornate gold details.