Animals build homes to provide a safe and stable place to raise a family. The three-part series investigates how animals build their amazing homes and the intriguing behaviors and social interactions that take place in and around them. Ecologist Chris Morgan serves as our guide and real estate agent, evaluating and deconstructing animal homes, their material, location, neighborhood and aesthetics.

Ducks are true originals. There are more than 120 different species of ducks in all, a fantastical group of complex characters. Ducks have a talent for survival, and life stories filled with personality and charm. Each bird is more fun than the last, and will leave you wanting more.

A breathtaking look at wintertime deep within America's first national park, Yellowstone. Follow the trail alongside photographer and writer Tom Murphy, who has been coming to Yellowstone for the past 26 winters to camp, take photographs and experience the solitude of the park.

With high speed camerawork and breakthrough new science, we enter the fast-paced world of hummingbirds as never before. Speed is their middle name. Their lives are moving faster than the eye can see.