The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

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

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

A small burial ground honoring Native American veterans of the Revolutionary War.

The oldest philatelic museum in the United States.

Location of the first public performance and singing of the "Battle Hymn of the Republic."

Two stone markers honor the Nipmuc people who first settled here millennia ago.

In 1777, two men were killed after being struck by lightning at the same time.

The notorious pirate William Kidd might have buried his treasure around this local pond.

A historic bridge no one is allowed to cross.

A home built and settled by a refugee of the Salem Witch Trials.

The final resting place of a free Black soldier who played a pivotal role in the Battle of Bunker Hill.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The Burnside Fountain and its questionable interpretation.

A grave surprise in the downtown area of New England's second-largest city.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This historic Massachusetts tavern played a critical role in the start of the American Revolution.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

An artifact taken from one of America's shortest wars.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

The birthplace of the man who patented the cotton gin and pioneered interchangeable parts.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.