A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Largest lake in Great Britain measured by surface area.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The fountain marks the area where hundreds of accused witches were burned at the stake.

These fantastically named natural pools look like something out of a Scottish myth.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Southern Italy's spinning top village.

An Italian hillside ghost town.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

Stalactites and stalagmites in a beautifully lit cave.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

The history of Reykjavik told through a historical village and live actors.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.