A historic pub with traditional Irish cuisine, fine drinks, and a paranormal past.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

This sculpture is dedicated to a local therapy dog who later became the official mascot of the 126th Boston Marathon.

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

Even Henry David Thoreau found this glacial pothole irresistible.

A serene plaza that commemorates one of the Granite State's most iconic figures.

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

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Rochester's signature culinary delicacy.

A park that allows you to get up close and personal with one of the world's largest open volcanic craters.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A Christian monastery stands on what was once a holy Incan temple.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Eat the ultimate iteration of Portugal's most beloved pastry.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

Europe's oldest still-operational tea farm also boasts a spectacular view.

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

This abandoned five-star hotel is now a five-star urban exploration destination.

Friction between grains of sand cause a curious "singing" sound.

A small, red building located along a state highway where the 18th Vice President made shoes in his youth.