Unnatural Histories.

Unnatural Histories is a 3-part British television documentary series produced by the BBC and BBC Natural History Unit. It takes a new look at three of the world's most iconic wildernesses; the Serengeti, Yellowstone National Park and the Amazon and discovers that far from being wild and untouched, each has been shaped over time by man. It was first broadcast on BBC Four 9–23 June 2011.