Join scientists, experts, and adventurers as they trudge through mountains of snow, climb trees as tall as buildings, and soar high in the air to spy just how these global changes are affecting one of America's greatest wildernesses.

A filmmaker describes her experiences while making a documentary about a remarkable pale white stallion in the Rocky Mountains. From the day of his birth in an isolated corner of the Rocky Mountains, Cloud's distinctive coloring made him a natural standout, which could easily have been his downfall. But in the days and months that followed his first fragile steps, it became clear that this feisty little colt was a great stallion in the making.

"In Africa, the giant fig tree and the tiny fig wasp differ in size a billion times over, but neither could exist without the other. Their extraordinary relationship is a marvel of co-evolution, a marriage which has lasted for millennia. It forms the basis of a complex web of dependency that supports entire ecosystems, providing food for thousands of creatures, from elephants, giraffes, and fruit bats to forest hornbills, monkeys, insects, and fish"...

The world of penguins: Presents the life of penguins and how they solve the problem of living in two worlds, in the sea where they spend most of their lives swimming and feeding, moving so gracefully, and their return to land each year to breed and to moult. A sea otter story: warm hearts and cold water: The Monterey Bay Aquarium is a haven for orphaned otter pups where the staff teaches these pups the skills to survive in the wild. Explore with...