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

America's "second most important bell" is a contentious spoil of the Civil War.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

The world's largest piece of copyrighted artwork.

This small shop walked so America could run on Dunkin'.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

One of the oldest living oak trees in the Southeast.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

This museum shines a light on the true Pilgrim experience in North America.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

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

This impressive Boston holy house is the American mecca for Christian scientists.

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

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

Former abode of notable poet, complete with literary references and stories of ghosts.

America's oldest archaeological site or a muddled case of wishful thinking.

A stretch of New Hampshire lake water is the only ice runway in the lower 48 states that is FAA-approved.

This store also houses a museum dedicated to the history of these small, historic community shops.

This smiling statue memorializes local cartoonist Bob Montana and his legendary creation.

Believed by many to be the oldest surviving public monument in the United States.