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.

A poetic and contemplative journey of harmony between different forms of life that coexist on the ea...

Notorious killer whale Tilikum is responsible for the deaths of three individuals, including a top k...

In the winter of 2011, after a controversial election, Vladimir Putin was reinstalled as president o...

Patagonia. A country full of endless expanse of untouched nature. A unique wildlife awaits us here a...

A vivid journey into the mysterious subterranean world of mycelium and its fruit— the mushroom. A st...
There is a harsh law in nature - some animals live at the expense of the lives of others. The film t...

Photomicrography reveals the unusual structure and behavior of the Venus's flytrap, the trumpet plan...

Climate is changing. Instead of showing all the worst that can happen, this documentary focuses on t...

Poet Layli Long Soldier crafts a searing portrait of her Oyate’s connection to the Black Hills, thro...

In this tense and immersive tour de force, audiences are taken directly into the line of fire betwee...

Dive into our planet's greatest mysteries with a team of international underwater cinematographers a...

Biosludged reveals how the EPA is committing science fraud to allow the ongoing poisoning of our wor...

Two journalists traverse the Grand Canyon by foot, hoping this 750-mile walk will help them better ...

National Geographic filmmakers, Dereck and Beverly Joubert, explore how some animals are thrust toge...

A journey above and below the sea, portraying the charm and diversity of the waters of northwest Mex...

A documentary following an Estonian fashion designer Reet Aus on a global tour to explore the origin...

Host Steve Irwin, "The Crocodile Hunter," in his last documentary, teams up with oceanographer Phill...

The most important mountain range in Europe is more than a holiday destination for sports and relaxa...

Checkpoint Zoo documents a daring rescue led by a heroic team of zookeepers and volunteers, who risk...

In July 1860, the schooner Clotilda slipped quietly into the dark waters of Mobile, Ala., holding 11...