BBC Earth HD

Entering The Balkans by sleeper train, Alice Roberts is in Bulgaria's capital Sofia. She'll learn how the empire was controlled from Istanbul and how today the landscape today is almost entirely Soviet.

How did ancient engineers perfect their vessels to reach further, and endure the seas?

In the Congo, ingenious chimpanzees steal honey from hard-working sweat bees by engineering a large stick to smash open the nest.

Adventurer Ben Fogle returns to the Pembrokeshire coast to catch up with Matthew and Charis Watkinson, and their two children.

More stories of the brave and hardy people who live below zero in Northern Canada.

In her final chapter, Alice Roberts takes a train to the western point of the Ottoman Empire, Budapest to learn how it ended.

Michael begins his adventures in Hong Kong, with railway highlights including the cable funicular to the top of Hong Kong's highest mountain, the Peak, and the enviably efficient and shiny Mass Transit System.

How did ancient engineers perfect their vessels to reach further, and endure the seas?

In the Congo, ingenious chimpanzees steal honey from hard-working sweat bees by engineering a large stick to smash open the nest.

Adventurer Ben Fogle returns to the Pembrokeshire coast to catch up with Matthew and Charis Watkinson, and their two children.

More stories of the brave and hardy people who live below zero in Northern Canada.

In her final chapter, Alice Roberts takes a train to the western point of the Ottoman Empire, Budapest to learn how it ended.

Michael begins his adventures in Hong Kong, with railway highlights including the cable funicular to the top of Hong Kong's highest mountain, the Peak, and the enviably efficient and shiny Mass Transit System.

In her final chapter, Alice Roberts takes a train to the western point of the Ottoman Empire, Budapest to learn how it ended.

Gregg Wallace is in Essex at an enormous cereal bar factory, which produces 400,000 fruit and nut-packed treats a day.

When a mutant gene causing Alzheimer's is discovered in the Jennings family, it leads scientists on a journey to develop a cure and leaves family members with a terrible dilemma.

Ben Fogle returns to the Australian outback to revisit Barbara Walker, who has been living alone in a remote site for sixteen years.

Jon and his wife Lally brave extreme arctic conditions as they attempt to secure food.

In Norway we follow a train journey that begins in the capital Oslo and heads all the way to Bodo inside the Arctic Circle. The first leg is the Dovre line, running from to the remote northern wonderland of Trondheim.

Michael Portillo embarks on a two-part adventure through Thailand. Michael helps out at an elephant hospital, tries his hand at the art of umbrella-making and learns about northern Thai cuisine.

Gregg Wallace is in Essex at an enormous cereal bar factory, which produces 400,000 fruit and nut-packed treats a day.

When a mutant gene causing Alzheimer's is discovered in the Jennings family, it leads scientists on a journey to develop a cure and leaves family members with a terrible dilemma.

Ben Fogle returns to the Australian outback to revisit Barbara Walker, who has been living alone in a remote site for sixteen years.

Jon and his wife Lally brave extreme arctic conditions as they attempt to secure food.

In Norway we follow a train journey that begins in the capital Oslo and heads all the way to Bodo inside the Arctic Circle. The first leg is the Dovre line, running from to the remote northern wonderland of Trondheim.

Gregg Wallace is in Essex at an enormous cereal bar factory, which produces 400,000 fruit and nut-packed treats a day.

Steve Backshall is on a mission to create a new generation of shark saviours, but first he needs to find his team. Steve takes 12 young UK hopefuls to boot camp.

In her final chapter, Alice Roberts takes a train to the western point of the Ottoman Empire, Budapest to learn how it ended.

Our Alaskans seize the final harvests of summer.

Adventurer Ben Fogle meets Vanessa Forero deep in the Sierra Nevada de Santa Marta, an isolated mountain range in the north of Columbia.

Michael Portillo embarks on a two-part adventure through Thailand. Michael helps out at an elephant hospital, tries his hand at the art of umbrella-making and learns about northern Thai cuisine.

When a mutant gene causing Alzheimer's is discovered in the Jennings family, it leads scientists on a journey to develop a cure and leaves family members with a terrible dilemma.

Ben Fogle returns to the Australian outback to revisit Barbara Walker, who has been living alone in a remote site for sixteen years.

Jon and his wife Lally brave extreme arctic conditions as they attempt to secure food.

In New Zealand, the White Island volcano erupts - with deadly consequences.

On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

The Alaskans must hurry to secure resources and complete projects before the Arctic is reclaimed by the bitter cold as the brief Fall season comes to an end.

Firefighters battle through apocalyptic scenes on Australia's Kangaroo Island as it is besieged by deadly bushfires. In Kansas, two hard-core tornado chasers allow a tourist to ride along with them.

Adventurer Ben Fogle journeys to the mountains of central Portugal, to live with Alex, a British man who traded in his lucrative retail career for his own mountainside hideaway.

The latest series from the BBC and Sir David Attenborough explores North America - a land of change where pioneering animals make the most of surprising opportunities.

Michael continues his exploration of Thailand by rail, steered by his 1913 Bradshaw's guide. First, he steps into the ring under the guidance of champion trainer, Master Toddy, to learn Muay Thai boxing.

In Norway we follow a train journey that begins in the capital Oslo and heads all the way to Bodo inside the Arctic Circle. The first leg is the Dovre line, running from to the remote northern wonderland of Trondheim.

Ben ventures to the 'Emerald Isle' to visit Georg and Bettina, an elderly couple from Austria and Germany who made the Irish wilderness their home nearly 40 years ago.

Sue clears her runway of snow. Denise learns to dogsled. Jessie snares rabbits. Ricko teaches his son Skyler to hunt.

Ben Fogle returns to Sweden to visit Annalisa, an Italian living in the deep woods with her young son Nico.

Jon and his brother Lee search a vast expanse of tundra.

Ride the rails through Canada on the iconic Rocky Mountaineer train on it's jaw-dropping loop from Vancouver to the heart of the Rockies.

Michael continues his exploration of Thailand by rail, steered by his 1913 Bradshaw's guide. First, he steps into the ring under the guidance of champion trainer, Master Toddy, to learn Muay Thai boxing.

Ben ventures to the 'Emerald Isle' to visit Georg and Bettina, an elderly couple from Austria and Germany who made the Irish wilderness their home nearly 40 years ago.

Sue clears her runway of snow. Denise learns to dogsled. Jessie snares rabbits. Ricko teaches his son Skyler to hunt.

Ben Fogle returns to Sweden to visit Annalisa, an Italian living in the deep woods with her young son Nico.

Jon and his brother Lee search a vast expanse of tundra.

Ride the rails through Canada on the iconic Rocky Mountaineer train on it's jaw-dropping loop from Vancouver to the heart of the Rockies.

Michael continues his exploration of Thailand by rail, steered by his 1913 Bradshaw's guide. First, he steps into the ring under the guidance of champion trainer, Master Toddy, to learn Muay Thai boxing.

Ben ventures to the 'Emerald Isle' to visit Georg and Bettina, an elderly couple from Austria and Germany who made the Irish wilderness their home nearly 40 years ago.

In Norway we follow a train journey that begins in the capital Oslo and heads all the way to Bodo inside the Arctic Circle. The first leg is the Dovre line, running from to the remote northern wonderland of Trondheim.

The Alaskans must hurry to secure resources and complete projects before the Arctic is reclaimed by the bitter cold as the brief Fall season comes to an end.

On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

Michael continues his exploration of Thailand by rail, steered by his 1913 Bradshaw's guide. First, he steps into the ring under the guidance of champion trainer, Master Toddy, to learn Muay Thai boxing.

Ben ventures to the 'Emerald Isle' to visit Georg and Bettina, an elderly couple from Austria and Germany who made the Irish wilderness their home nearly 40 years ago.

Ben Fogle returns to Sweden to visit Annalisa, an Italian living in the deep woods with her young son Nico.

Jon and his brother Lee search a vast expanse of tundra.

Firefighters battle through apocalyptic scenes on Australia's Kangaroo Island as it is besieged by deadly bushfires. In Kansas, two hard-core tornado chasers allow a tourist to ride along with them.

Ben meets Niall, who rescues and cares for street dogs in Koh Samui.

As Alaskans enter a new dawn in the Arctic winter, they must adapt to the changing landscape if they are to survive.

In the Grand Canyon, a massive microburst causes a dangerous deluge of mud and rocks.

Professor Bettany Hughes returns to Azerbaijan for more adventures on the Silk Roads. She crosses the country, hunting out some of the most remote and hidden areas.

The latest series from the BBC and Sir David Attenborough explores the continent of Africa - home to the greatest wildlife gatherings on Earth. But even in this land of plenty, wildlife faces huge challenges.

Michael Portillo boards Vietnam's spectacular Reunification Railway to make a 1,000-mile journey from Ho Chi Minh City to Hanoi. He visits the container port of Haiphong and finishes in Halong Bay.

Ride the rails through Canada on the iconic Rocky Mountaineer train on it's jaw-dropping loop from Vancouver to the heart of the Rockies.

Bettany explores Albania's Adriatic coast. She follows in Julius Caesar's footsteps in Oricum and Apollonia, visits the magnificent Ottoman town of Berat, and discovers Albania's own 'Braveheart'.

Dara explores the darker side of the Sun, from the dangers of skin cancer to solar flares and the Bermuda Triangle of Space. Plus, the world's largest solar furnace.

Ben Fogle returns to Bulgaria to meet up with nomads Miriam and Peter after four years.

More stories of the brave and hardy people who live below zero in Northern Canada.

Take a seat on the Cambrian Line and be whisked away on an unforgettable voyage to a lost world, with majestic castles and ingenious Victorian engineering.

Michael Portillo boards Vietnam's spectacular Reunification Railway to make a 1,000-mile journey from Ho Chi Minh City to Hanoi. He visits the container port of Haiphong and finishes in Halong Bay.