Living in an ancient redwood tree for more than two years to prevent the tree from being clear-cut, Julia Butterfly Hill captured our hearts and minds by showing us that one person can make a difference. Through interviews with Hill, filmmaker Doug Wolens paints a portrait of an intensely spiritual and articulate woman who encountered both beauty and horror (she was assaulted by lumber company helicopters at one point) during her time above ground.

In 1966, Heinz Sielmann sets off on his longest expedition. He spent 19 months traveling through the...

Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinemati...

Takes us to locations all around the US and shows us the heavy toll that modern technology is having...

The early retired Gert spends the last summer in his garden, a place that has become a real home for...

This documentary film follows farmers and activists fighting together to stop the Indiana Enterprise...

On the 22nd of May 2021, around 100 Animal Rebels shut-down all four McDonald's distribution centers...

Whales have long been a profound mystery to us. They live in a world so removed from our own that we...

In the depths of the Colombian jungle, the skeleton of an immense abandoned cement bridge is tucked ...

Mixing archival footage with interviews, this film celebrates one of Los Angeles's most influential ...

The Southern Sea Otter was historically abundant along the California coastline until intense huntin...

A look at the great wolf debate with comments and views from people on both sides. It also contains ...

Tony and Ajani, two mushroom foragers based in Minneapolis, spend the day foraging at a local park a...

Atlantis is filmmaker Luc Besson's celebration of the beauty and wonder of the world beneath the sea...

Explore the extraordinary hidden world of insects, where a leaf weighs more than a car, rain drops f...

Alaska... Here, in this vast and spectacularly beautiful land teeming with abundant wildlife, discov...

Drawing from never-before-seen footage that has been tucked away in the National Geographic archives...