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

This mysterious artificial cave has long puzzled New Englanders.

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

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

The homestead of American patriot John Adams.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

The world's largest piece of copyrighted artwork.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Museum dedicated to awful artwork.

Ice cream stand, snack bar, and time capsule of milk conveyance.

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

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

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

Impossibly life-like natural history models created out of glass by a father and son.

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

Three prestigious academic collections come together to create a world-class natural history museum.

This landmark cemetery in Boston was created more than 300 years ago.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

One of the few remaining monuments dedicated to South Boston's Irish heritage.