Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

The ruins of a fifth-century church dedicated to Our Lady of the Harbor.

A 4th-century Roman church complete with a hidden underground cave.

This sea stack in Cyprus is traditionally seen as the birthplace of the goddess Aphrodite.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

One of the best-preserved medieval streets in Europe.

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

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Nordic giants resurrected from the sea and restored to their former greatness.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

One of the world's first dedicated bank buildings in the world is now the oldest one.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.