On what continent are the following found: Mt Kilimanjaro, Ngorongoro Crater (the worlds largest unbroken caldera), Nile River, Okavango Delta, Red Sea Reef, Sahara Desert, and the Serengeti Migration?
Serengeti Area, which contains Ngorongoro Crater and the Olduvai Gorge, where some of the oldest hominin fossils have been found. Serengeti The Serengeti () ecosystem is a geographical region in Africa. It is located in northern Tanzania. It spans approximately . The Serengeti hosts the second largest terrestrial mammal migration in the world, which helps secure it as one of the Seven Natural Wonders of Africa, and as one of the ten natural travel wonders of the world. The Serengeti is also renowned for its large lion population and is one of the best places to observe prides in their natural
Ngorongoro Conservation Area southern Serengeti plains. These plains also extend to the north into the unprotected Loliondo division and are kept open to wildlife through transhumance pastoralism practiced by the Maasai. The south and west of the area are volcanic highlands, including the famous Ngorongoro Crater and the lesser known Empakaa Crateri. The southern and eastern boundaries are approximately defined by the rim of the East African Rift wall, which also prevents animal migration in these directions. 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