Escape rooms are becoming a popular attraction above the surface, but divers visiting Vivian Quarry in Snowdonia, Wales, can experience the excitement of solving...
Nauen Transmitter Station in Nauen, Havelland district, Brandenburg, Germany, is the oldest continuously operating radio transmitting installation in the world. Germany's first high-power radio...
The International Mountaineering and Climbing Federation (UIAA) recognizes eight-thousanders as the 14 mountains that are more than 8,000 meters (26,247 ft) in height above...