1/6 The team starts in London and then explores the curious coast of Belgium.
1/2 Kate Humble goes right to the heart of one of the world's most active volcanoes.
A scientific investigation into the meaning of dreams, drawing on personal testimony.
1/2 Ellie Harrison ventures down one of the deepest gold mines in the world.
3/6 The new year starts with some of the biggest snowstorms for years.
4/4 Iolo Williams visits a park in Pontypool that is home to thousands of nesting bees.
3/26 Amazing facts about Limbo, a young male African leopard growing up in Kenya.
Matt Baker discovers a piece of equipment being used to enable wheelchair users to abseil.
Iolo Williams sy'n datgelu mwy am fywyd gwyllt rhai o ardaloedd mwyaf gogleddol y byd. ...
The team are in the Highlands of Scotland following in the footsteps of poet Robert Burns.