The crater spreads for 102 sq. miles and has 2.000 ft. high walls, making it virtually a Noah's ark and inhabiting almost every species of wildlife that is indigenous to East Africa. It's one of the very rare locations in the whole continent where you can witness the black Rhino. The crater has a river, several swamps, and a soda lake with a great concentration of flamingos, a forest and open plains. It's also famous for its elephants which, are the largest in the world and have huge tusks. Ngorongoro Crater is truly a Wonder of the Natural World.