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

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

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

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

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

Three prestigious academic collections come together to create a world-class natural history museum.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Tiki luxury on Nob Hill.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

This shop specializes in oddities and Victorian-inspired wonders.