BBC Earth

In an unpredictable world our ancient powers must lay down the foundations of their societies to show their strength and protect their people. Who will build their way to glory?

World-renowned survivalist Bear Grylls leads Zac Efron on a non-stop extreme survival journey into the Northeast Appalachian mountain range wilderness.

Returning to Nepal, the film crew use thermal cameras and drones to follow tigers after dark, revealing a hidden world of previously unseen behaviour and surprise encounters.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut in the tropical waters of the Andaman Sea, she learns how destructive humans can be.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Returning to Nepal, the film crew use thermal cameras and drones to follow tigers after dark, revealing a hidden world of previously unseen behaviour and surprise encounters.

World-renowned survivalist Bear Grylls leads Zac Efron on a non-stop extreme survival journey into the Northeast Appalachian mountain range wilderness.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut in the tropical waters of the Andaman Sea, she learns how destructive humans can be.

From the barren Australian outback to the remote, dry deserts of Namibia, mammals use their ingenuity, incredible intelligence and remarkable resilience to beat the heat.

Returning to Nepal, the film crew use thermal cameras and drones to follow tigers after dark, revealing a hidden world of previously unseen behaviour and surprise encounters.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

World-renowned survivalist Bear Grylls leads Zac Efron on a non-stop extreme survival journey into the Northeast Appalachian mountain range wilderness.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut in the tropical waters of the Andaman Sea, she learns how destructive humans can be.

World-renowned survivalist Bear Grylls meets actor Ben Stiller on the rugged mountains of the Isle of Skye in Northern Scotland, to go on a once in a lifetime adventure.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Sports fisherman Cyril Chauquet and his team put themselves at danger in the hunt for wild underwater creatures.

World-renowned survivalist Bear Grylls meets actor Ben Stiller on the rugged mountains of the Isle of Skye in Northern Scotland, to go on a once in a lifetime adventure.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

Sports fisherman Cyril Chauquet and his team put themselves at danger in the hunt for wild underwater creatures.

World-renowned survivalist Bear Grylls meets actor Ben Stiller on the rugged mountains of the Isle of Skye in Northern Scotland, to go on a once in a lifetime adventure.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut in the tropical waters of the Andaman Sea, she learns how destructive humans can be.

Sports fisherman Cyril Chauquet and his team put themselves at danger in the hunt for wild underwater creatures.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

World-renowned survivalist Bear Grylls meets actor Ben Stiller on the rugged mountains of the Isle of Skye in Northern Scotland, to go on a once in a lifetime adventure.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

From deep in the undergrowth to the highest tree, forests are home to two-thirds of all mammal species. Discover how they overcome the many challenges of life in a crowded world.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

World-renowned survivalist Bear Grylls meets actor Ben Stiller on the rugged mountains of the Isle of Skye in Northern Scotland, to go on a once in a lifetime adventure.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

The news anchor explores the wild Utah desert. They rappel from a helicopter, and gut a dead squirrel before placing it in Tamron's backpack for eating later.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Michael Portillo's railway tour reaches its final stop - Singapore. Michael walks the streets of Chinatown with a local artist and uncovers the history of the Chinese community there.

Devastating floods in Italy, a mass evacuation in a Canadian wildfire, a deadly Texan storm surge and ferocious volcanic eruptions in Iceland.

The news anchor explores the wild Utah desert. They rappel from a helicopter, and gut a dead squirrel before placing it in Tamron's backpack for eating later.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Devastating floods in Italy, a mass evacuation in a Canadian wildfire, a deadly Texan storm surge and ferocious volcanic eruptions in Iceland.

The news anchor explores the wild Utah desert. They rappel from a helicopter, and gut a dead squirrel before placing it in Tamron's backpack for eating later.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Michael Portillo's railway tour reaches its final stop - Singapore. Michael walks the streets of Chinatown with a local artist and uncovers the history of the Chinese community there.

Devastating floods in Italy, a mass evacuation in a Canadian wildfire, a deadly Texan storm surge and ferocious volcanic eruptions in Iceland.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut in the tropical waters of the Andaman Sea, she learns how destructive humans can be.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Steve Backshall journeys the globe with some of the greatest travellers on the planet as he explores the reasons that drive their epic voyages and the challenges migrating whales face.

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Michael Portillo's railway tour reaches its final stop - Singapore. Michael walks the streets of Chinatown with a local artist and uncovers the history of the Chinese community there.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

Michael Portillo's railway tour reaches its final stop - Singapore. Michael walks the streets of Chinatown with a local artist and uncovers the history of the Chinese community there.

In an unpredictable world our ancient powers must lay down the foundations of their societies to show their strength and protect their people. Who will build their way to glory?

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Having been fearful of hippos since a young boy, Steve sets out to discover why hippos are considered the most dangerous animals in Africa, and if their aggressive reputation is misunderstood.

In an unpredictable world our ancient powers must lay down the foundations of their societies to show their strength and protect their people. Who will build their way to glory?

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Michael Portillo's railway tour reaches its final stop - Singapore. Michael walks the streets of Chinatown with a local artist and uncovers the history of the Chinese community there.

In an unpredictable world our ancient powers must lay down the foundations of their societies to show their strength and protect their people. Who will build their way to glory?

This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.