The Case of the Vanishing Honeybees: A Scientific Mystery

Zombie Makers: True Stories of Nature's Undead

Snowy Owl Invasion!: Tracking an Unusual Migration

Asiatic Lion vs. Bengal Tiger

What Was Hurricane Katrina?

Follow Those Zebras: Solving a Migration Mystery

Spooky Lakes: 25 Strange and Mysterious Lakes that Dot Our Planet

Wolverines: Nature's Cleanup Crew

The Wolves and Moose of Isle Royale: Restoring an Island Ecosystem

The Great Penguin Rescue: Saving the African Penguins

Skunk vs. Raccoon

On the Hunt with Lions

Skunks

On the Hunt with Polar Bears

Animal Life Cycles: Bee

On the Hunt with Owls

Al Roker's Extreme Weather: Tornadoes, Typhoons, and Other Weather Phenomena

On the Hunt with Eagles

Badger vs. Bobcat

On the Hunt with Crocodiles