Selous Game Reserve - A UNESCO World Heritage site where large numbers of elephants, black rhinoceroses, cheetahs, giraffes, hippopotamuses and crocodiles live in an immense sanctuary relatively undisturbed by man. Tanzanian Tourist Board Official Website - Parks - Provides details of the National Parks and Game Reserves of Tanzania. Pugu Hills - Nature Reserve, has information on environment, visiting and activities. Arusha National Park - Profile on park. Gombe Stream National Park - A brief description of the park. Katavi National Park - Provides information on the park, its history, ecosystem, fauna and flora, management and a photograph gallery. Serengeti Wildebeest Migration - Provides an account of the annual migration of vast numbers of animals in search of new pastures.