3 Days Ngorongoro Crater Safari. A true wonder of the natural world. Ngorongoro is largest crater in the world teeming with wildlife in their natural habitat. Ngorongoro crater is famous for its sunken caldera formed over a million years ago and is inhabited in harmony by indigenous Maasai, their livestock as well as a startling variety of plant, animal and birdlife species. Ngorongoro Crater is often called ‘Africa’s Eden’ and the ‘8th Natural Wonder of the World.