The Ngorongoro Crater is the world’s largest intact and unfilled volcanic caldera and the Ngorongoro Conservation Area’s main tourists’ attraction. It is the largest and most scenic crater in the Ngorongoro Conservation Area, with a large concentration of wildlife. It is also one of Africa’s Seven Natural Wonders due to its breathtaking natural features. The Ngorongoro Crater is known as a home to over 25,000 animals, including the big five; elephants, buffaloes, rhinos, lions and leopards.