Ngorongoro Crater has an unusually dense population of African wildlife and is one of the top stops in Tanzania's northern safari route.
Lake Manyara is really two lakes. Well, it is depending on the time of year you visit. In the dry season, with the water level low, it basically splits in two.
Tanzania's Tarangire National Park is famous for its elephants and baobab trees, but you'll also find an incredible range of other animals here, including some of the big cats.