The Ngorongoro Conservation Area is one of the 7 Natural Wonders of Africa and the eighth Wonder of the World.
The Ngorongoro is a volcanic crater and the largest unflooded and unbroken caldera in the World.
The Conservation Area is recorded as a World Heritage Site by UNESCO.
It’s a peaceful co-existence of Human and Wildlife in a natural and traditional setting.
In addition to seeing many animals like the Black Rhinoceros, Hippopotamus, Wildebeests, Lions, Zebras, Gazelles, Crocodiles, Cheetahs, Leopards, Buffalos, you also can meet Masaai people who arrived around 200 years ago in the area.
The Ngorongoro Conservation Area is more than a crater: you can discover 3 spectacular craters, the Olduvai Gorge; one of the most important paleoanthropological sites in the World, huge expanses of savannah, forest and bush land.
The Crater is the only place in Tanzania where you can see the Big Five; the 5 largest mammals in the World: the Elephant, the Rhino, the Lion, the Leopard and the Buffalo.
The best moment to go is from May to November and the best month is June because everything is green with flowers all around.
Source : http://www.ngorongorocrater.org/