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Digging through the vast collection of his father's home videos, a young man reconstructs the unthinkable story of his boyhood and exposes vile abuse passed through generations.

An urban teenager journeys to Montana to hunt big game with his estranged father. Father and son struggle to connect, until a brutal encounter in the heart of the wilderness changes everything.

Un avvistamento irripetibile innesca un tuffo profondo nel mondo inesplorato della Pantera della Florida.

Mollie Beattie, first woman to lead US Fish and Wildlife, championed wolf reintroduction in Yellowstone despite resistance. While ill, her commitment to wolf recovery transformed the ecosystem.

Nature's dramas play out in one of the most remarkable ecosystems on Earth: Yellowstone.

The search for the pollinator of the legendary ghost orchid in Florida's Corkscrew Swamp Sanctuary and the Fakahatchee Strand.

Yellowstone. It's a land forged by the mightiest forces on our planet, with granite peaks, super heated geysers, and raging rivers. It's home to some of the most resilient creatures in North America and is one of the most magnificent ecosystems on earth. For thousands of years, it was a bountiful hunting ground for Native Americans and today it stands as the world's first national park, welcoming all, "for the benefit and enjoyment of the people".

The remarkable story of a solitary wolf living against the odds, and its close bond with renowned wildlife photographer Cheryl Alexander.

In summer Yellowstone transforms into a wildlife paradise, with a cruel dark side. From torrential floods in spring to burning sun in August, summer presents new challenges and opportunities. Animal dramas ensue: predators on the prowl and parents protecting offspring, bears fighting wolves, and trout running gauntlets of river otters and osprey. Even the hummingbird goes to battle, fighting in mid-air to protect a territory of wildflowers.

No place on Earth is like Yellowstone in winter. This world of fire and ice has thousands of boiling hot springs, geysers, and bubbling mud pots. In Yellowstone every animal struggles to find food and stay alive against an onslaught of heavy snows, polar temperatures, and ferocious predators. Beavers and grizzly bears retreat under cover from the endless blizzard, while the wolves, red fox, and river otters face winter head on.

The history of unique American horse breeds, including the mustang, Appaloosa, Morgan and quarter horse, that helped shape the nation and the people who continue the tradition of caring for them.

Casey Anderson scours Canada's wild West Coast for clues to reveal who or what is terrorizing Vancouver Island: are these wolves, monsters, or a little of both?

In the barren desert southwest, Casey Anderson struggles with thorny cactus, rugged terrain and intense emotions to stop a predator he loves, the mountain lion, from devastating fragile populations of bighorn sheep.

Casey builds a custom "Super Moose" and goes undercover to explain bizarre and unpredictable moose behavior during the peak of the mating season - when moose leave behind their solitary day-to-day existence to gather in a spectacular hormone-fueled frenzy known as a "supergroup."

Casey Anderson pushes to the frontlines of a vampire bat invasion in Texas and drops into the darkness of the "torture chamber" deep in the juggles of Mexico to discover what will be at stake when vampires arrive in America?

Casey is haunted by an old campfire tale that goes something like this: just as darkness falls, a Grizzly turns up in camp; but this is no ordinary Grizzly - it's a bold, aggressive predator, concealing itself in a cloak of darkness - a "Night Grizzly." Now, Casey will embark on the first-ever mission to understand, once and for all, if this legend has real teeth.

A changing Everglades is putting pressure on its two most iconic predators: the American alligator and American crocodile. As crocodiles move north, their ranges are increasingly overlapping with gator territory. In this episode, Casey travels to the Florida Everglades to see which of these animals will reign supreme.

Yosemite National Park, set within California's Sierra Nevada Mountains and designated a World Heritage Site, is home to hundreds of wildlife species, and is famed for its iconic mountain vistas, water falls, and giant sequoia groves.

The Grand Canyon is one of the most famous natural wonders on our planet. Millions of visitors come each year, but few know of the wonders in the hidden places between rim and river. While tourists crowd the cliff tops of the South Rim, bison and pronghorn roam little prairies across the gorge. Partake in an epic journey deep down in the canyon, along the steep cliffs, and more. See the Grand Canyon as you have never seen it before.

Bracing himself against the frozen wilds of Alaska and British Columbia, Casey Anderson is on a 'mission impossible' to capture never-before-seen footage of wolverines as they hunt and interact with other wildlife across the vast, untracked wilderness. Many of the world's foremost wolverine experts have gotten only brief glimpses of the creatures in their natural habitat, so Casey's work is cut out for him.

Peering over the North Rim of Arizona's Grand Canyan into a mile-deep chasm that stretches 18 miles across, Casey begins his trek into the Southwest desert of the United States. Trailhead signs warn unprepared hikers of death from dehydration, exposure and exhaustion, but life in the desert is no picnic for the animals that live there, either. The plants and animals in this landscape have evolved to respond to the unique demands of the desert.

Naturalist Casey Anderson sets out to track one of North America's most elusive ghosts: the mountain lion. Casey's longtime friend and cat expert Tyler Johnerson is on hand to help him in his quest to witness "the ghost of the Rockies." Armed with specialized camera technology, they hope to capture never-before-seen footage of mountain lions and their cubs living in the greater Yellowstone ecosystem.