BBC Earth HD

The 200-mile Ligne de Cévennes travels north from Nîmes to France's volcanic heart and the spectacular Puy De Dôme. It travels across three historic viaducts.

As winter comes to an end, Alaskans journey, hunt, and prepare for spring.

On the breathtaking Isle of Skye, Ben Fogle investigate how spiritual and religious power still survives in the face of so many visitors and sets off to discover sacred places.

Michael Portillo crosses the south east of Australia from Canberra to the multi-ethnic heart of Melbourne.

From the Greek border to the Black Sea, Bettany explores Bulgaria's mosaic of cultures, from ancient fire rituals to gold treasure, communist relics and painted brides.

Ben Fogle journeys to the foothills of the Indian Himalayas to live with former fighter pilot, Steve Lall, who is now a mountain farmer.

Sue goes ptarmigan hunting. Andy and Denise battle jumble ice. Jessie races in the Iditarod.

A once in a generation eruption on a volcanic island. In the United States, heavy rain and snow melt submerge a town and in Italy, giant hail pulls up pavements, and traps drivers in their cars.

Ben heads to Slab City in the Californian desert to explore an alternative community.

When spring finally arrives in Alaska, the landscape and waterways come back to life with a vengeance as the snow and ice melt.

From the Greek border to the Black Sea, Bettany explores Bulgaria's mosaic of cultures, from ancient fire rituals to gold treasure, communist relics and painted brides.

Reza uncovers the mystery of human survival in Oman-one of the driest places on earth.

In Texas and Mexico, the first Atlantic hurricane of the season makes landfall.

Bill Nighy narrates a journey that starts at Tirano and climbs up through the Italian Alps and lakes through into Switzerland, taking in the Landwasser Viaduct.

Beginning near Leon, part of the famous north Spanish Pilgrimage, in the Picos de Europa mountains, this railway journey then runs through the Basque country before arriving in Bilbao.

Jump aboard New Zealand's Northern Explorer, the longest running passenger service in the country. The train travels 423 miles along the North Island Main Trunk Line.

BBC Earth inspires audiences by sharing the incredible wonders of our universe. The channel showcases the work of the world’s foremost factual film makers.

In Namibia's extreme environment, Levison tracks down some of the last remaining desert lions and learns about the vital work that's giving them a fighting chance of survival.

Levison travels deep into the vast arctic wilderness of east Greenland to track down some of the most elusive populations of polar bears on the planet. But will he get up close and personal with one?

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Michael Portillo ventures down under to ride aboard the legendary Ghan Railway.

Michael Portillo explores New South Wales, steered by his 1913 Bradshaw's Guide.