The Human Face
Actor and comedian John Cleese sets out on an odyssey to discover the mysteries of communication, identity, perception, and sexuality hidden behind the mask of the human face.

NOVA "Arctic Passage"
After the Franklin expedition, more than a half-century would pass before an innovative explorer finally conquered the Northwest Passage.

Nature "Arctic Bears"
Polar bears are living on borrowed time. They are the descendents of grizzlies, long ago evolved to live and hunt on the frozen ice of the Arctic, eating a specialized diet of seal meat.

The Appalachians
The vast Appalachia region stretches across 13 states and is home to more than 23 million people, yet it may be the least understood culture in America.

NOVA "The Big Energy Gamble"
With help from eco-celebrities like Ed Begley, Jr. and Bill Nye "The Science Guy," NOVA examines California's aggressive pursuit of a sustainable energy future.