Alphonse Keasley

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.

Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his 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.

Kluane National Park is situated in the Yukon area of northern Canada and is a research paradise for glaciologists, geologists and other scientists. Mountaineers come to scale the impressive heights. Animals are free to roam, protected by stringent legislation. This film reveals many facets of this beautiful park, which has been declared a protected zone by UNESCO.

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.

Take a thrilling journey to four of the greatest national treasures of Europe and Africa. Walk along the misty shores of Ireland's rocky northern coast to experience the legendary Giant's Causeway. Search for elusive mountain gorillas in Uganda's lush Impenetrable Forest. Climb the stunning snow-capped peaks of Italy's timeless Alps to discover the regal ibex in Gran Paradiso National Park. Behold the spectacle of thundering herds of migrating wildebeest, zebra and gazelle on Africa's fabled Serengeti Plains.

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.

“Let nature be nature” is the philosophy of the Bavarian Forest National Park. Despite massive resistance, this vision has become a groundbreaking showcase project. Because humans do not interfere with nature, the former commercial forests grow into a primeval forest, a unique ecosystem and a refuge for biodiversity. People from all over the world come here. They are looking for answers to the question of why we need more wild nature and what we can learn from it to preserve forests for future generations in times of climate change.

Tackling colossal waterfalls in Gabon, kayakers Adrian Mattern, Dane Jackson, Bren Orton and Kalob Grady's story of high-stakes adventure reveals the gritty reality behind the veneer of social media.

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.