BBC Earth

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery.

Courteney Cox joins Bear in Ireland, where they climb jagged peaks, descend sheer cliffs, battle the cold and feast on maggots.

Song Ji-hyo continues on the greatest challenge of her life: free diving with the legendary Haenyeo female underwater sea fishers.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery.

Michael visits the ancient city of Cordoba and the Costa del Sol.

In Oregon, wildfires tear through the state. In Texas, a storm ruins a wedding. And in Hawaii, a climber fights for his life.

Grasslands cover a quarter of all land and support vast gatherings of wildlife - but to survive here animals must endure the most hostile seasonal changes on Earth.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

Michael visits the ancient city of Cordoba and the Costa del Sol.

In Oregon, wildfires tear through the state. In Texas, a storm ruins a wedding. And in Hawaii, a climber fights for his life.

Courteney Cox joins Bear in Ireland, where they climb jagged peaks, descend sheer cliffs, battle the cold and feast on maggots.

Song Ji-hyo continues on the greatest challenge of her life: free diving with the legendary Haenyeo female underwater sea fishers.

Simon Reeve treks across the high mountains and treacherous ice fields of Patagonia, coming face to face with pumas and riding with gauchos.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Update New York, where they deal with dense forest, leeches and steep cliffs.

Whilst humans are prone to fighting the inevitability of ageing, trees have perfected the art of aging gracefully. In this episode, we will discover how mature trees do incredible things to thrive.

British comedian Griff Rhys Jones begin his epic 'off-highway' journey of New Zealand from north to south, starting at Cape Reinga and travelling via Russell and Kaipara Harbour to Auckland.

Ben Fogle travels to the forests of Chile to meet northern Brit Scott and his young family, and visit their hand-built off-grid cabin in the woods.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Update New York, where they deal with dense forest, leeches and steep cliffs.

Whilst humans are prone to fighting the inevitability of ageing, trees have perfected the art of aging gracefully. In this episode, we will discover how mature trees do incredible things to thrive.

Ben Fogle travels to the forests of Chile to meet northern Brit Scott and his young family, and visit their hand-built off-grid cabin in the woods.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Update New York, where they deal with dense forest, leeches and steep cliffs.

Whilst humans are prone to fighting the inevitability of ageing, trees have perfected the art of aging gracefully. In this episode, we will discover how mature trees do incredible things to thrive.

British comedian Griff Rhys Jones begin his epic 'off-highway' journey of New Zealand from north to south, starting at Cape Reinga and travelling via Russell and Kaipara Harbour to Auckland.

Ben Fogle travels to the forests of Chile to meet northern Brit Scott and his young family, and visit their hand-built off-grid cabin in the woods.

Song Ji-hyo continues on the greatest challenge of her life: free diving with the legendary Haenyeo female underwater sea fishers.

British comedian Griff Rhys Jones begin his epic 'off-highway' journey of New Zealand from north to south, starting at Cape Reinga and travelling via Russell and Kaipara Harbour to Auckland.