http://en.wikipedia.org/wiki/Maasai_Mara
http://wikitravel.org/en/Maasai_Mara
http://en.wikipedia.org/wiki/Lake_Nakuru
http://wikitravel.org/en/Lake_Nakuru_National_Park
Lake Nakuru national park is the second most visited park after the Masai Mara. Lake Nakuru is a soda lake where you can see millions of flamingos. It is also probably the best place to see rhinos in Kenya but also lions, leopards, giraffes and many more animals.
http://en.wikipedia.org/wiki/Ngorongoro_Conservation_Area
http://wikitravel.org/en/Ngorongoro
http://en.wikipedia.org/wiki/Serengeti_National_Park
http://wikitravel.org/en/Serengeti