Planet Earth

David Attenborough narrates this view of the planet from north to south.

Animals that have adapted to high-altitude life are featured.

Animals featured include snow geese, swimming monkeys and river dolphins.

Caves around the world are home to odd animals and geologic features.

A tour of deserts features camels in the Gobi and guanacos in the Atacama.

Animals living at the poles are featured, including whales and polar bears.

The earth's extensive grasslands are featured, including the Sahel.

Plants take center stage in this exploration of seasonal forests.

Among the rain-forest animals featured are jaguars, gibbons and frogs.

A look at the shallow seas, where coral reefs and fishing grounds lie.

Animals featured include blue whales, vampire squid, dolphins and tuna.