BBC Earth

At the far tip of South America lies a magical realm that seems frozen in time; known as "the end of the world", this is Patagonia.

In southeast Alaska, there's an ice-bound Eden that harbors possibly the richest temperate rainforests of all.

Extreme locales include Mount Everest's Khumbu Icefall, the Grand Canyon, and the slopes of Mount Kilimanjaro.

Wonders created by the power of water include Victoria Falls, where men take risks to reach fishing pools; the Camargue, where a man duels with a bull; ocean reefs.

Wonders created by life itself include the Amazon forest; a father and son brave killer bees in Bangladesh.

Trek across Borneo with Levison and a team of Indigenous guides and naturalists in search of the island's orangutans; learn how these apes manage to survive as deforestation and poaching push them closer and closer to extinction.

Levison and his San guide, Kane, follow ancient nomadic hunting routes to stalk the last 100 desert lions of Namibia.

Levison travels into east Greenland's vast Arctic wilderness in search of elusive polar bears; he learns about the lives of these apex predators and their environment.

Meet the people that made filming Kingdom possible and uncover the extraordinary acts of conservationists and anti-poaching teams protecting South Luangwa and all its inhabitants.

After being raised on the ice in winter, emperor penguin chicks find themselves abandoned by their parents in spring; to survive, they must find their own way across the treacherous sea ice to the rich waters of the Southern Ocean.

At the top of the planet lies the Arctic Ocean; after four months of winter darkness, the sun returns to reveal a frozen ocean covered in ice; mother polar bears emerge from their hillside dens and lead their cubs down to the sea ice to hunt.

Found on every continent, mountains create unique frozen worlds, home to extraordinary animals that must overcome the crushing conditions of the cold.

Trekking across the planet's most hostile frozen zone: Antarctica; getting to know ice.

Going back to the far North of the planet where the largest land habitat on Earth exists, home to great Boreal forests and the barren tundra.

Coming face to face with the scientists bearing witness to history's profound climate shift; pondering the effect these changes have on Earth's human and animal communities, mapping the destruction from space and learning how to save the planet.

Take a look at the consequences of the great thaw; search for lost land bridges, find out how creatures coped with all the new liquid water that surrounded them; learn what may happen if the planet plunges into another ice age.

At the far tip of South America lies a magical realm that seems frozen in time; known as "the end of the world", this is Patagonia.

In the Gobi Desert, Gordon must gain his camel's trust to survive and find the Gobi bear.

Traipsing along ancient pathways criss-crossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

An enormous fiery vortex in Redding, Calif.; the island nation of Malta loses a natural treasure; a mysterious radioactive hotspot is discovered near Chernobyl; an unknown force lays waste to a mountain forest in Italian Alps.

Emperor penguins cross a dangerous frozen sea to reach their breeding grounds; rockhoppers brave stormy seas and a 300-foot cliff; tropical Humboldt penguins face sea lions and vampire bats as they make their way to their desert nests.

The male penguins hand over their newborns to the returning females.

Trek across Borneo with Levison and a team of Indigenous guides and naturalists in search of the island's orangutans; learn how these apes manage to survive as deforestation and poaching push them closer and closer to extinction.

Levison and his San guide, Kane, follow ancient nomadic hunting routes to stalk the last 100 desert lions of Namibia.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

The space telescope Hipparcos led to a discovery that sent shockwaves throughout the astronomical community: a star appearing to be older than the universe itself.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

In 1996, NASA scientists made a shocking announcement; they claimed they had found evidence of alien life in a meteorite from Mars. This film tackles one of the biggest questions in science - whether there is, or ever was, life on Mars.

On 2nd August 1932, American physicist Dr Carl Anderson captured the first ever image of antimatter. Antimatter has only ever been glimpsed in fleeting moments because as soon as it comes into contact with matter, both annihilate.

Five months and more than 2000 miles into his journey, Lev is in Sudan, facing his biggest physical obstacle yet: the Sahara desert; he has to walk 1300 miles across one of the most inhospitable places on Earth.

After seven months walking, Lev reaches his final country: Egypt; he has 900 miles to go to the Mediterranean, but the authorities give him just 45 days to finish.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Paul explores the science behind cryogenic freezing and how it's being used to ensure frozen fish tastes almost as good as fresh; in a gelato factory, Clare gets the scoop on why humans are hard-wired to desire junk food.

Four rival families, leopards, hyena, wild dogs and lions, all try to claim a rich corner of Zambian paradise as their home.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Paul explores the science behind cryogenic freezing and how it's being used to ensure frozen fish tastes almost as good as fresh; in a gelato factory, Clare gets the scoop on why humans are hard-wired to desire junk food.

Four rival families, leopards, hyena, wild dogs and lions, all try to claim a rich corner of Zambian paradise as their home.

Get under the skin of ice age megabeasts as Steve tackles a murder mystery in a U.K. cave filled with oversized animal remains; discover the sabre-toothed tiger's strengths and weaknesses with Michaela; see what woolly mammoth DNA has to say.

Steve and Michaela uncover the story of Neanderthals versus Homo sapiens and their struggle to survive.

In the Gobi Desert, Gordon must gain his camel's trust to survive and find the Gobi bear.

Emperor penguins cross a dangerous frozen sea to reach their breeding grounds; rockhoppers brave stormy seas and a 300-foot cliff; tropical Humboldt penguins face sea lions and vampire bats as they make their way to their desert nests.

The male penguins hand over their newborns to the returning females.

Something big and brown is headed to "Hope for Wildlife," but this black bear is tied up in red tape.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

Something big and brown is headed to "Hope for Wildlife," but this black bear is tied up in red tape.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

Something big and brown is headed to "Hope for Wildlife," but this black bear is tied up in red tape.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Something big and brown is headed to "Hope for Wildlife," but this black bear is tied up in red tape.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

Four rival families, leopards, hyena, wild dogs and lions, all try to claim a rich corner of Zambian paradise as their home.

Scientists uncover clues at a fossil dig site in North Dakota that reveal details about the day an asteroid struck Earth and wiped out the dinosaurs.

Shocking new insights into the demise of modern humans' sister species, the Neanderthals, Homo sapiens's possible role in their downfall and how it becomes the last human species on Earth.

An orphaned baby Triceratops must outwit a deadly Tyrannosaurus rex.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

An orphaned baby Triceratops must outwit a deadly Tyrannosaurus rex.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.