Two journalists traverse the Grand Canyon by foot, hoping this 750-mile walk will help them better understand one of America's most revered...

Death threats, court battles, and an iconic endangered species in middle, The Trouble With Wolves takes an up close look at the most heated and...

After many years of careful conservation, Banff and Jasper National Parks have become vast zoological gardens. Deer, moose, bear, big-horn sheep,...

RHINO MAN follows the courageous field rangers who risk their lives every day to protect South Africa's rhinos from being poached to extinction.

From infinitely small to super-predator, from the earthworm to the whale, from the blade of grass to the giant tree, Vibrant takes you on a journey...

A documentary about a 15-day river-rafting trip on the Colorado River aimed at highlighting water conservation issues.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in...

For millennia, Native Americans successfully stewarded and shaped their landscapes, but centuries of colonization have disrupted their ability to...

In a contemporary reimagining of the American West, three young women - a snake hunter, a New York artist, and a rodeo queen - challenge the idea of...

On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres...

Filmed over 23 years, Rise of the Warrior Apes tells the epic story of an extraordinary troop of chimpanzees in Ngogo, Uganda – featuring four...