Many cities around the world are still protected by the old city walls built centuries ago. Though not much of a defense mechanism today, these walls are kept as remembrance of the past and often they serve as a tourists attraction. If you’ve ever been to such a city, you know there’s nothing like walking […]
A glacier is a large persistent body of ice. They form over many years, often centuries. Glaciers form only on land and should not be confused with icebergs which are huge bodies of ice that float on water. Glaciers and icebergs together hold most of Earth’s fresh waters. Here’s a list of the most amazing and […]
Presenting the five most secret government locations, including a top secret satellite tracking station in Pine Gap Australia, an infamous dead man’s switch buried in Mount Yamantau Russia, the Yulin Naval Base in China and its underground complex hiding the latest nuclear submarines from passing spy satellites, the Porton Down biological and chemical weapons testing […]