These actions became the basis for Serengeti National Park, which was established in 1951. The Serengeti gained more fame after the initial work of Bernhard Grzimek and his son Michael in the 1950s.

Ngorongoro Conservation Area is ranked #3 out of 10 things to do in Serengeti National Park. See pictures and our review of Ngorongoro Conservation Area.

Also known as Masai Mara, Maasai Mara or simply the Mara, the reserve lies at between 4,875 and 7,052 feet (1486 and 2149 meters) in elevation and extends south to Serengeti National Park.

Serengeti National Park houses the highest concentration of large mammals in the world, so you're bound to spot giraffes, elephants, hippos and, of course, lions. You'll also come across more than 500 ...

It's National Park Week, starting on Saturday, April 20. Check out these lesser-known, surprising and fun facts about America's amazing national parks.