Why do camels huddle together in the heat? Which desert stays below freezing for half the year? DESERT treks across the earth's most parched places to find some of the greatest stories of adaptation and survival. Meet the extraordinary inhabitants of the desert, and witness their startling strategies to capture and conserve that most precious of all commodities - water.

What incredible talent do dolphins and bats share? How can you tell the oldest elephant in a herd? MAMMAL reveals the most amazing facts and folklore about our favorite furry animals. Towering or tiny, ferocious or friendly, mammals trot, hop, swim, and soar. Meet the creatures that make up this huge and varied family.

Why did the U.S. Army go into battle with the Mississippi? What animal has the curious habit of climbing waterfalls? POND & RIVER takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of the freshwater pond. Travel upstream to find civilization's source - then down again to see the key to our very survival.

What happens to a crab that loses its claw? How did one low tide wreck the entire Greek army? SEASHORE dives into the explosive front line between land and sea. From crashing waves and blasting winds to placid tide pools, discover what makes our coastlines so alluring to the masses of wildlife and humans who gather there.