Despite being one of the driest places on Earth, water has played a large role in shaping Oman’s landscape. The infrequent but powerful rainfalls have carved out deep canyons across the country.

During an abseil, the Expedition team stumbles upon a saw-scaled viper hiding at the bottom of their ropes. With a fast-acting, powerful venom, it's one of the most dangerous species of snake on the ...

Steve Backshall and a team of experts prepare to descend a canyon in Oman. To avoid heat exhaustion and dehydration, they're on the search for water, but an obstacle stands in their way.