Saudi Arabia: Expedition Volcanic Underworld

Season 2 Episode 2 | 52m 1s  | Video has closed captioning.

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.

Aired: 07/13/22

Expires: 07/12/26

Rating: TV-PG

Problems Playing Video? | Closed Captioning

Meet Steve Backshall


Meet Steve Backshall

Steve Backshall takes PBS behind his adventures, explains how the expeditions are chosen, and explores our role in protecting these magnificent locations.

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