The modern birthplace of Irish freedom.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

One of the world's smallest prisons boasts just two small cells.

One of the best-preserved medieval streets in Europe.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

Large collection from the 3rd millennium BCE.

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.

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

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The last bastion of Roman presence north of the Alps looms over a German town.

The "Prussian Versailles" that is as glorious today as when it was built.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Striking occult iconography on a medieval German church.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

Check the time in 145 countries at once with this East German relic.

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

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

A fountain filled with golden statues, celebrating the the ancient kingdom of Colchis.