On Costa Rica’s Pacific coast, turtles and jaguars collide in unexpected ways.

Uncover the secret world of New York and London’s resilient pigeon flocks.

Follow a female mountain lion in the Montana mountains over the course of a decade.

Lençóis Maranhenses boasts 350 square miles of dunes that fill crystal blue with lagoons each year.

See how the Arctic’s most enigmatic animals are coping as the sea ice melts.

With under 40 pupfish left in the wild, they are possibly the rarest fish on the planet.

Fossilized footprints suggest human presence in the Americas far earlier than previously believed.

The Bay of Fundy's extreme 50 foot tides carry enough potential energy to power a small city.

Every winter, giant cuttlefish gather by the thousands for a battle royale to win a mate.

In Florida’s wetlands the carnivorous pitcher plant is blurring the lines between predator and ally.

Follow a woman’s transformative journey as she nurtures wounded hummingbirds.

The Northern Lights captivate viewers, but there may be more to this phenomenon than meets the eye.

After drought, the rains finally come. But can Katavi survive the flooding?

A severe drought in Katavi National Park tests the wildlife to their limits.

Meet the hippo, crocodile and lion families navigating the dry season in Katavi National Park.

What secrets can we unearth about the future of our planet from this petrified forest in Arizona?

Discover how The Atchafalaya Basin protects Louisiana's coast from hurricanes.

Sir David Attenborough explores London’s Natural History Museum, where extinct creatures come alive.

A team of scientists and filmmakers explore the Antarctic waters to learn more about killer whales.

Meet Pando, an ancient tree in Utah that has grown into one of Earth's largest living wonders.

The change of seasons brings turmoil and tough choices to the three big cat families.