Now this is what I call a geological wonder. What you see below is a stunning aerial view of the Nabiytum Crater in Lake Turkana, Kenya, which is also the world's largest alkaline lake. The striking rounded shape rising out from the water is not due to something like a meteor strike, rather it is a caldera, the remnants of a collapsed volcano. Looking at it from above makes me want to play a particularly isolated game of Sim City at the center ;)

http://www.panoramio.com/photo/21523528
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