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.