A mountain pass used by Prohibition-era bootleggers to facilitate traffic into and out of Canada from Vermont.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

One of the country's best automotive museums and home to one of the first motor vehicles.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The only remaining historic maritime signal station in the United States.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

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

Dedicated to one of the darkest moments in Irish history.

The Boston square dedicated to the dark poet who was born nearby.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

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

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

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This supermarket offers shoppers a window into the past alongside their groceries.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

This beautiful site is where the first transatlantic telegraph was sent from.

Collection of still-functioning printing presses from the 18th to 20th centuries.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The Dublin sea wall draws walkers, photographers, and fishing enthusiasts.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.