Up Next
Back to Show
Expedition
Entering a Lava Tube
Steve and team scope out the edges of a fragile lava tube opening. They look for a section of rock that is stable enough for them to safely repel down into the lava tube.
Support Provided By
Unlock with PBS Passport
51:08
Join a shark expedition to a remote volcanic island in Mexico’s Eastern Pacific.
Unlock with PBS Passport
51:49
Travel to Gabon, where Steve explores the jungle in search of an undiscovered population o