The site of a prison camp where Cypriot resistance fighters were held in the 1950s.

In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.

A fearsome dragon clings to a corner of Munich's city hall.

This red lake 4,000 meters above sea level is home to rare flamingos.

Even King Tut was intrigued by the glass of the Great Sand Sea.

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

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

The largest park in Lviv is surrounded by a network of disused rail tracks.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

The topiary maze at the Habsburg hunting lodge.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.