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

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...

Snakes, creatures with superpowers that have allowed them to adapt perfectly to their environment, play an essential role in the ecosystem.

In the central Peruvian Amazon, a young indigenous man from the Nomatsigenga Community of Boca Kiatari, shares his urgent message with the world. In...

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

The Scorpions belong to the oldest land-based arachnides with over 1800 different species known to exist. Usually, they do not surpass the size of...

Adventure. Challenge. The simple joy of riding the wind. The best kiteboard riders each have their own reasons for pursuing their sport to its...

Go to the Big Island and hover above erupting craters at Hawaii Volcanoes National Park, watch flowing orange lava ooze across charred rock and steam...