Glaciers and snow top Mount Kilimanjaro in Tanzania. A dormant volcano with three cones, Kilimanjaro is the tallest mountain in Africa. From the base to the top of the mountain is about about 4,900 metres (16,100 feet). The peak lies at 5,895 metres (19,341 feet) above sea level. This image was captured by an Expedition 14 crewmember on board the International Space Station in April 2007. (Nasa, CC BY-NC 2.0)