The naturalist visits uncharted territory in pursuit of new discoveries. He takes on physical challenges and encounters extraordinary wildlife.

Steve leads an expedition in the Jebel Akhdar mountain range of Oman. With temperatures soaring, dehydration and heat stroke are a constant threat.

Steve heads to the Himalayas to visit the last unexplored river in Bhutan. Legend has it that at some point, the river drops off the face of the planet.

Steve and his team are venturing into the heart of Suriname, to kayak an unnamed river that will take the them through a forest unchanged for millions of years.

Steve and an elite team of rock climbers head to the desert of southern Oman to attempt the first ascent of a towering escarpment.

The team battle through the jungle into the heart of Indonesian Borneo, to caves holding secrets that could rewrite history.

Steve and his team of explorers head to Greenland in the Arctic. Kayaking the world's largest fjord, they dodge giant icebergs and hungry polar bears.

Steve Backshall leads a team into the Yucatán, Mexico on the trail of the ancient Maya. Uncovering sinister secrets and artefacts, they push further into the underworld of the Maya than anyone has gone before.

Steve leads a team on a mission to climb a remote mountain in the Stauning Alps of Greenland, crossing a vast river and skiing across a glacier.

Steve leads a team into the largest unexplored cave network on Earth. Below the jungles of Mexico, they push further and deeper than anyone has gone before.

Steve Backshall ventures into more uncharted territory in pursuit of new discoveries and world firsts. He begins by joining a team of world-class kayakers to head to Kamchatka to take on white-water in a bid to explore a wilderness packed with more brown bears than anywhere else

Steve joins forces with ropes expert Aldo Kane and Saudi Arabian geologists Mahmoud Al-Shanti and Hala Alwagdani to search for the longest lava tube in Arabia

Steve and the team head to remotest Kyrgyzstan in search of snow leopards - if the team can find evidence of the endangered big cat, they could protect the region

Steve heads to the Moukalaba Doudou National Park in Gabon - he wants to discover if this unexplored rainforest could be home to an undiscovered population of chimpanzees

Steve teams up with shark scientist Mauricio Hoyos to discover where shark mothers give birth and to protect a new generation of these ocean giants in the Eastern Pacific

The unseen moments from season 2 of Expedition With Steve Backshall.