This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A subterranean playground in an abandoned slate mine.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

This cave was once thought to be a hiding place for the devil.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

These three lighthouses played a fundamental role in the maritime life of Eastham.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

This mysterious artificial cave has long puzzled New Englanders.

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

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Massachusetts memorial to murder victim Elizabeth Short near the spot where she was born.

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

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The site of the first "historically true" UFO encounter in the U.S.

Narrowest house in Boston.

A cave dug by a man directed by ghosts to find pirate treasure.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.