Rock carving created 1,300 years ago 75 feet off the ground.

"Holy Wisdom" overlooks the city that became its namesake.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

"Unity, Creativity, Beauty."

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

This medieval mountain town is also known as the "Village of Streams."