Narrowest house in Boston.

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

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

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

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

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

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

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

The Boston square dedicated to the dark poet who was born nearby.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

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

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

The notorious Wild West outlaw was raised in this unassuming abode.

Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

Rippling sand dunes frozen in the Arizona rock.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.