1. Darvaza Gas Crater-Turkmenistan(The Door to Hell): In the heart of the Karakum desert of Turkmenistan the Darvaza Gas Crater or The Burning Gates give off a glow that can be seen from miles away during the dark night. (Image credit:JohnBradley) 2.Kimberley Diamond Mine-South Africa: The Kimberley Diamond Mine (also known as the Big Hole) holds the (disputed) title of […]