This tiny structure was built by the creator of the Brooklyn Bridge.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A daily replay of the experiment that proved the rotation of the Earth.

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

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

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

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

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

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

One of the world's largest model railroads is a mind-boggling achievement.

A world-class collection of mechanical musical instruments and automata.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

A trompe-l'oeil statue honoring the first guide dog in North America.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.