El Silencio del Impenetrable

After many years of careful conservation, Banff and Jasper National Parks have become vast zoological gardens. Deer, moose, bear, big-horn sheep, birds and small animals that live above the treeline are natural subjects for the close-up camera, with a backdrop of snowy peaks.

This Traveltalk series short starts off in Denver, capital of Colorado. Known as a recreational and health center, it is noted for its beautiful parks. The Museum of Natural History has specimens of local animal life. About an hour's drive from Denver on Lookout Mountain is the grave of Col. William Cody, 'Buffalo Bill', known as a scout and a plainsman. In Colorado Springs, there is a monument to the great American humorist Will Rogers who loved the stretches of open country. Much of the mountain area of Colorado is owned by the Federal government as national forest and there are many well stocked trout streams. In Mesa Verde National Park you will find the cave dwellings once used by Native Americans.

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 one man's attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

This short documentary is a celebration of life on planet Earth. Made from haunting visual images selected from 50 years of NFB productions, the film looks at human beings, their place on earth, and their deep interconnection with all other beings. Evocations of forces that threaten the planet and all its inhabitants also offer avenues for reflection.

We follow a team of scientists on a gruelling expedition into a remote rainforest in Mozambique. They're hoping to prove that Mount Mabu's animals and insects are unique and in need of official protection.

Hosted by Keeley Hawes, star of the popular television series The Durrells, this documentary reveals the adventures of the eccentric Durrell family once they left Corfu, Greece.

This documentary captures the beauty of Maine's Acadia National Park, as well as detailing the history of the location which happens to be the first area east of the Mississippi River to be declared a National Park.

Over 46 minutes, the film takes the viewer on a journey to discover different initiatives and cases where Chileans are contributing to mitigate the effects of climate change, from large-scale projects and scientific innovations to day-to-day citizen actions, all of which are collectively necessary. The focus of this documentary is to show how Chile is contributing to an issue that affects all of humanity, such as climate change, in five thematic areas: sustainable agriculture; forest and biodiversity conservation; renewable energy; the water crisis; and astronomy.

Huelva, Spain, an isolated region lost in time. The grass, the sand and the sky are the same that those foreigners saw in the spring of 1895, when they crossed the sea from a distant country to mark the unspoiled terrain and extract its wealth, when the tower was new, when people could climb to the top of the highest dune and imagine that the city of Tartessos was still there, in the distance, almost invisible in the morning brume.

Hunters have disappeared from wildlands without a trace for hundreds of years. David Paulides presents the haunting true stories of hunters experiencing the unexplainable in the woods of North America.

Narrated by Academy Award winners Sissy Spacek and Herbie Hancock, River of Gold is the disturbing account of a clandestine journey into Peru's Amazon rainforest to uncover the savage unraveling of pristine jungle. What will be the fate of this critical region of priceless biodiversity as these extraordinarily beautiful forests are turned into a hellish wasteland?

For more than 30 years, scientist, broadcaster and environmental activist David Suzuki has served as the host of The Nature of Things, a CBC program that is seen in more than forty nations. Suzuki Speaks is an hour of thought-provoking television. David Suzuki delivers one of the most powerful messages of his career - the relationship between the four "sacred" elements and their influence on the "interconnectedness" we feel individually, with each other and with the rest of the world.

Great Smoky Mountain National Park covers over 500,000 acres of breath-taking beauty: lush highland meadows, glorious waterfalls, pristine mountain streams, and one of the most biologically diverse ecosystems in the world.

Mountain Gorilla takes us to a remote range of volcanic mountains in Africa, described by those who have been there as ""one of the most beautiful places in the world"", and home to the few hundred remaining mountain gorillas. In spending a day with a gorilla family in the mountain forest, audiences will be captivated by these intelligent and curious animals, as they eat, sleep, play and interact with each other. Although gorillas have been much-maligned in our popular culture, viewers will finally ""meet the legend"" face to face, and learn about their uncertain future.

Nestled in the heart of America s great plains are contrasting tastes of a sacred land that beckons the visitor to enter the nation's mysterious and glorious West. A land of soaring pinnacles, deep canyons, hidden caves, national monuments and countless wildlife sanctuaries. It is also the place of the inglorious death of famed gunslinger, Wild Bill Hickok and the most sacred spot for the Lakota Sioux. Enjoy breathtaking aerial views and amazing tours with park rangers. Discover the wonder and awe of these contrasting spectacles of the West, one soaring, rich in forest and water and other barren and deeply eroded, which are brought to together by a shared geology and history. They are the Gateway to the Great American West. They are the Black Hills and the Badlands.

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 of wilderness is the only complete mid-latitude ecosystem left on the planet.

This short documentary by Bill Mason explores Pukaskwa National Park on Lake Superior, providing a background of the park's geological past and plant life. The film also shows scenes of hiking, canoeing and camping. The result is to put us back in touch with the natural elements that our ancestors both fought and enjoyed.

Maya, la tigresse du Maharashtra

There is no place on the planet like the Everglades. This installment of the National Parks Exploration Series takes you to where two great biomes of life meet: the tropical and the temperate mid-latitude, which makes up much of the continental US.

Filmed over 23 years, Rise of the Warrior Apes tells the epic story of an extraordinary troop of chimpanzees in Ngogo, Uganda – featuring four mighty warriors who rule through moral ambiguity, questionable politics, strategic alliances and destroyed trust.