This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

This picturesque Victorian ghost town was once a thriving mill community.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

The world's oldest and largest museum of mass transit vehicles.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

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

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Dedicated to one of the darkest moments in Irish history.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

These whimsical works of art tell the story of the city's past and present.

These items are all that remain from the room used by the author during his second tour of the U.S.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This Massachusetts home was the first to have a telephone line and its own phone number: 1.

The massive machine creates cracking displays of indoor lightning.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

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

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

This beautiful architectural gem was the first waste treatment facility in Boston.