It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The world's tallest boat lift stands as a massive piece of industrial tourism.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Reminders of the Battle of Berlin still scar the railway.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

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

The modern birthplace of Irish freedom.

Experience what life was like in Ireland during the Viking and medieval ages.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This single room has survived the centuries with almost no deterioration.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.