This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

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

Over fifty whirling pools left by the glacial age.

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

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

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

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

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Hut with supplies for shipwreck survivors.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

A historic bridge with a lovely acoustic anomaly.