A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The homestead of American patriot John Adams.

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

Visit a sweet shop selling one of the first candies ever made and sold in America.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

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

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

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

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

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

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

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

A beautiful Victorian-era cemetery, complete with a miniature village.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The final resting place of New England's last "vampire."

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

The intriguing personal collection of a professional demon-chaser.

Beautiful steampunk ghosts of early Massachusetts.

A museum dedicated exclusively to the lore and history of ouija boards.