Follow Steve on a mission to explore an unmapped volcanic underworld in search of the longest lava tube in Arabia. On this expedition, Steve and his team start their journey at the ancient city of Hegra, where secrets lie waiting to be uncovered.
Embark with Steve to the remotest parts of the planet.
Join a shark expedition to a remote volcanic island in Mexico’s Eastern Pacific.
Travel to Gabon, where Steve explores the jungle in search of an undiscovered population o
