Olduvai Gorge

Olduvai Gorge is a steep-sided ravine in Tanzania.

History
The Simpson family visit the Olduvai Gorge. Kitenge showed them there the earliest known fossil of a human being. Homer said then to him that he has more bones than that guy. "If you're trying to impress me, you've failed." Kitenge tries then fails to tell Homer that it's not the number of bones that is important.