A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

A fantastic castle rumored to be the birthplace of King Arthur.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

This former farm In northern Iceland is now a museum, where visitors can tour beautifully-preserved turf houses.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Beautiful views and Roman-style statues on the Italian coast.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

The fairy tale castle of the "fairy-tale king."

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

Exquisite examples prehistoric bas-relief carvings.

15,000 year old bison sculptures.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

The famous winding walk at Chartres is surrounded in mystery and myth.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Ancient paintings known as the "Sistine Chapel of Cave Art."

The history of radiation is on safe display at the foot of a radiation science laboratory.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.