The massive machine creates cracking displays of indoor lightning.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

A historic bridge with a lovely acoustic anomaly.

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

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

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

Over 50 whirling pools left behind from the glacial age.

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

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

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

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

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

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

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.

A 60-foot-tall tower provides unparalleled views of the southern Green Mountains.

The world’s largest underground marble quarry is hiding in Vermont.

Designed as a place for patients to take in the scenery, this tower has a dark history.

A tomb with a window to ensure the interred wasn't buried alive.

A massive sustainable farm designed by the mastermind behind Central Park.

This charming woodland trail is peppered with poetry.

Industrial ruin decimated this tiny New England company town in a fashion no one saw coming… and even fewer remember today.

This "common-as-dirt" museum celebrates the glory of normalcy.