BBC Earth HD

Ben travels to the vast forests of the Rhodope Mountains in Bulgaria to join Miriam and Peter, a couple who have chosen life as nomads, hiking through some of the world's most striking wildernesses.

Bettany heads to Santorini, the site of one of the biggest volcanic eruptions in history, before heading over to Naxos and then Siphos.

Alice takes the train to Luxor to see Tutankhamun's tomb and his mummified body in the Valley of the Kings. She also takes a walk along the Avenue of the Sphinxes.

On Flores in the Azores, Ben meets a family who live off-grid in a cottage on a steep mountain.

Alaskans are in the home stretch of preparing for the upcoming winter.

With under a week to go before they join tens of thousands of people in Fatima for the annual celebration of the Miracle of the Sun, the pilgrims decide to speed up their journey.

The adventurer meets Jeff and Rose and their five daughters who live in the vast wilderness of north-west Canada. It's late autumn, and before long the family will be locked in by two metres of snow.

Sue Aikens tracks a deadly foe in Kavik, the Hailstones embark on a traditional task ahead of the freeze, and Jessie Holmes adds a vital comfort to his remote camp.

The West Coast is home to the infamous San Andreas fault, stretching for almost a thousand miles beneath the feet of millions of Americans.

A modern city like New York consumes 1 billion gallons of water every day. But this has meant building vast underground tunnels, diverting rivers, and constructing mighty dams.

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

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

Professor Brian Cox explores the solar system's wildest weather, encountering powerful lightning, strange metallic frosts and monsoon rains on a moon a billion kilometres from Earth.

Steve goes in search of ocean acrobats, mischievous coyotes and deadlies in miniature - but he ends up having an encounter with a humpback whale he will never forget!

Steve is in search of one of the most spectacular events on earth - bait balls. These wildlife events are so epic that they can be seen from space - but they won't be easy to find.

Martin travels to Papua New Guinea and lives amongst the farmers.

Martin explores the Philippines, from Manila's jeepneys to remote tribal burials.

Martin travels to Guam to see the effect of invasive species on remote islands.

We see a violent tornado touch down in downtown Nashville, Tennessee.

From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe.

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.

Steve Backshall has chosen his UK team of six to travel with him to Bimini in the Bahamas, where they learn how to scuba dive and become the next generation of shark saviours.

Lucy plunges further into the unknown reaches of the Amazon, coming face to face with hostile giant wasps, caiman-infested rivers, and more deadly snakes.

In Coimbra, there are visits to a convent, a mosque and a synagogue. Finally, after 14 days and 364 kilometres, the group finally reach the famous Sanctuary of Fatima.

Johnny tracks some caribou. Sue spots some ptarmigan, the state bird of Alaska. Ricko Dewilde teaches his daughter the native way of exploring.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Lucy plunges further into the unknown reaches of the Amazon, coming face to face with hostile giant wasps, caiman-infested rivers, and more deadly snakes.

In Coimbra, there are visits to a convent, a mosque and a synagogue. Finally, after 14 days and 364 kilometres, the group finally reach the famous Sanctuary of Fatima.

Johnny tracks some caribou. Sue spots some ptarmigan, the state bird of Alaska. Ricko Dewilde teaches his daughter the native way of exploring.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

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.

Steve Backshall has chosen his UK team of six to travel with him to Bimini in the Bahamas, where they learn how to scuba dive and become the next generation of shark saviours.

From the ancient tropics of China to the depths of the Great Barrier Reef, we continue David's adventures across the globe.

The Arctic Vets team do whatever it takes to save the lives of sick animals.

The West Coast is home to the infamous San Andreas fault, stretching for almost a thousand miles beneath the feet of millions of Americans.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

Michael Palin embarks on a 1,000-mile adventure into Iraq. He starts his journey by boarding a train in Lake Hazar in eastern Turkey.

Michael continues his journey into the heart of Iraq on his way to Baghdad, and arrives in Kirkuk and the exact spot where the British discovered oil in 1927.

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.

Steve Backshall has chosen his UK team of six to travel with him to Bimini in the Bahamas, where they learn how to scuba dive and become the next generation of shark saviours.

In Canada, a tiny turtle ventures through a forest of giants in search of the wetland, and in South Africa, a bushbaby is drawn towards a world of light in his quest to find a home.

A Taiwanese pangolin travels through a land of giants to seek a mate, and in Brazil, a family of tamarins travel to the edge of their world to seek a new future alongside humans.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Before metal tools was invented stone age engineers were creating extraordinary structures known as megaliths. Huge in scale, they were precision-built to align with astronomical events.

The Burj Khalifa in the UAE, the tallest building in the world, perfectly symbolises the dynamism of the Middle East.