The Atlantic Coast, where wild and urban worlds intersect in unexpected ways.

Mexico, where deserts meet tropics. See new footage of fledgling pygmy owls, orca hunting, new species in flooded caves and orchid bees filmed in incredible detail.

The Wild West, where coyotes face a snowbound Yellowstone, rattlesnakes emerge in the hundreds and cranes gather in vast numbers on their age-old migration.

The largest rainforest on Earth. Drone footage captures giant otters hunting together while black caiman prey on newly hatched turtles.

The Frozen North, where wolves and polar bears vie for food and walruses sing on rocky shores. As summer arrives, caribou migrate vast distances and salmon race upstream to survive.