BBC Earth

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.

Japan's central island of Honshu is home to over 100 million people, but it has a wild heart and an astonishing range of wildlife lives there.

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.

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.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

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.

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.

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

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.

Nick's train leaves from Tangier and it's a special one; AL Boraq, which speeds along the high-speed line making its way down the west coast. Al Boraq is run entirely on wind power.

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Ben dives into China's history, culture and fast-paced modern life, from the ancient Great Wall to bustling Shanghai, visiting film studios, exploring nightlife, and taking an unofficial bike ride.