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Desert Worlds
Sir David Attenborough explores the hostile world of the desert, where plants can spend decades waiting for rain or travel to find it. Survival tactics include using weapons, camouflage and forming surprising alliances with animals.
Episode Clips
How Saguaro Cacti Store 1000 Gallons of Water
The saguaro features a pleated surface which allows it to expand.
Why Elephants Eat the Baobab Tree
The baobab stores thousands of gallons of water in its spongy wood.
The Plant that Makes Its Home on a Cactus
Tristerix seeds travel in bird droppings to invade the bodies of giant cactus.
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