Watch The Vanishing Prairie

The first Disney True-Life Adventure feature: the Sonoran desert, and a scorpion square dance nobody has forgiven.

Disney in the Arctic - and the film whose staged lemming sequence created a myth that outlived it.

A palomino called Nautical goes from a New Mexico ranch to the Olympic show-jumping team.

A diver visits the same octopus every day for a year in a South African kelp forest.

Al Gore's slideshow on climate change; the cherry picker up the CO2 graph.

Emperor penguins walk seventy miles to breed in the Antarctic winter; Morgan Freeman narrates.

Activists film the dolphin hunt at Taiji with hidden cameras.

RKO’s adaptation of Rachel Carson’s book - she hated the script and never sold film rights again.