Acoustic Ocean

In 1966, Heinz Sielmann sets off on his longest expedition. He spent 19 months traveling through the wilderness of North America. From the alligator...

The River Danube is home to a fish that grows larger than the Great White Shark. Although it leads a secretive life, the Beluga Sturgeon – the...

With more than 300 days a year, the sun dominates this country so much that it’s even shining from their flag. It’s a barren land,...

A closeup examination of a tree in the morning light.

How were the giant stone heads of Rapa Nui – also known as Easter Island – carved and raised, and why? Since Europeans arrived on this...

Discovered about twenty years ago, the immense masses of water vapor that fly over the Amazon, called "flying rivers", fascinate researchers. Their...

Conservation biologist Tim Shields sees urgency in the field and finds that traditional conservation practices are lacking when it comes to saving...

Six sequences about Fascism and its segments throughout history.

A hen questions the meaning of her life on a farm.

Sea otters are once again in peril after being brought back from the brink of extinction. An unprecedented number of sea otter deaths have occurred...

A scientific expedition travels to an alternative Earth in hope of finding a new home for humanity, which has destroyed its own planet. But is it...