This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Bouncing, delightful, mechanical art at the MIT Museum.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

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

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in 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 landmark cemetery in Boston was created more than 300 years ago.

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

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

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

The vaguely man-shaped root that ate the body of the founder of Rhode Island.

Mysterious stone tower featured in many alternative histories of the New World.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

The oldest still-operating tavern in the United States was once owned by a pirate.

Unicorns, elephants, and bears, oh my!

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."