The Americas

The Wild West, where coyotes face a snowbound Yellowstone, rattlesnakes emerge in the hundreds, woodpeckers compete to store food, bison battle on the Great Plains and cranes gather on their migration -- plus new pop-up fun facts.

Mexico, where deserts meet tropics; see fledgling pygmy owls, orca hunting, species in flooded caves and orchid bees filmed in incredible detail with Tom Hanks -- plus new pop-up fun facts revealing more about the hidden lives of unique wildlife.

The Frozen North, where wolves and polar bears vie for food, hares outsmart lynx and walrus sing on rocky shores; as summer arrives, grouse perform mating dances, caribou migrate vast distances and salmon race upstream -- plus new pop-up fun facts.

Mexico, where deserts meet tropics; see fledgling pygmy owls, orca hunting, species in flooded caves and orchid bees filmed in incredible detail with Tom Hanks -- plus new pop-up fun facts revealing more about the hidden lives of unique wildlife.

The Frozen North, where wolves and polar bears vie for food, hares outsmart lynx and walrus sing on rocky shores; as summer arrives, grouse perform mating dances, caribou migrate vast distances and salmon race upstream -- plus new pop-up fun facts.

The Wild West, where coyotes face a snowbound Yellowstone, rattlesnakes emerge in the hundreds, woodpeckers compete to store food, bison battle on the Great Plains and cranes gather on their migration -- plus new pop-up fun facts.