4th and Forever: Muck City

In the shadows of the Smoky Mountains lives a football dynasty. Alcoa High School is southern Appalachia's true football powerhouse.

No need to travel to outer space to explore strange new worlds. There is alien life right under our noses - insects. They run our planet but are as different from us as possible, and as close to an alien life form that we'll ever see here on Earth. This is their world... and their story. The last two decades of research have revealed extraordinary new insights into the unexpectedly sophisticated insect world. Combined with modern cinematic technology and new techniques like electron microscopy and confocal microscopy, this landmark series captures insect behavior in ways never before possible. There are no more limits to our journey here on Planet Insect.

How will humans take the next step into outer space - traveling to Mars not to visit, but to stay?

How, from bizarre ancient markings to random numbers and letters, codes and ciphers have been used for millennia to send secret messages, hide identities.

"Eat Me (or Try Not To)" is a six-part series that explores how global iconic food brands shape our world and where we're headed.

New fossil discoveries are revolutionizing the way we view these ancient reptiles. Marvel at these scientifically accurate, beautifully-rendered CG dinosaurs as we examine what years of hard science has shown us about how they once lived.