Ngorongoro was named by the Maasai as El-Nkoronkoro meaning Gift of Life.
The main feature of the Ngorongoro Conservation Authority is the Ngorongoro Crater, the world's largest inactive, intact and unfilled volcanic caldera, the crater, which formed when a large volcano exploded and collapsed on itself two to three million years ago, is 610 metres (2,000 feet) deep and its floor covers 260 square kilometres.
The Crater was voted by Seven Natural Wonders as one of the Seven Natural Wonder of Africa in Arusha, Tanzania in February 2013.
The Ngorongoro Conservation Area also protects Oldupai Gorge, situated in the plains area. It is considered to be the seat of humanity after the discovery of the earliest known specimens of the human genus