The greatest achievements of the BBC Natural History Unit and/or David Attenborough, making this some of the best documentaries on wildlife and nature. They are listed in the order of broadcast, but I'd recommend starting with Planet Earth to see if you're interested in these kind of tv shows. Try to watch them with the original British narrator, David Attenborough, for the best experience.
http://en.wikipedia.org/wiki/BBC_Natural_History_Unit
