Here are a few links to a variety of information sites regarding some of the world famous parks in Tanzania. Kilimanjaro and the Serengeti are the most well known of the fourteen (14) national parks in the country. Ngorongoro Crater and Selous are also well known sites for wildlife viewing.
There are also other off-the-beaten-path areas for the discerning traveller who wants to explore more than the famous national parks. Tanzania has plenty to offer.