
Discovering a Cenote
Clip: Season 1 Episode 4 | 2m 21sVideo has Closed Captions
Aldo and Steve trek through the jungle and come across a cenote.
Aldo and Steve trek through the jungle and come across a cenote. Cenotes are believed by the Maya to be portals into an underworld called Xibalba.
Problems with Closed Captions? Closed Captioning Feedback
Problems with Closed Captions? Closed Captioning Feedback

Discovering a Cenote
Clip: Season 1 Episode 4 | 2m 21sVideo has Closed Captions
Aldo and Steve trek through the jungle and come across a cenote. Cenotes are believed by the Maya to be portals into an underworld called Xibalba.
Problems with Closed Captions? Closed Captioning Feedback
How to Watch Expedition
Expedition is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now

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.Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipVideo has Closed Captions
Clip: S1 Ep4 | 3m 42s | Meet Katy Fraser, an underwater camera operator. (3m 42s)
Episode 4 Preview | Mexico – Flooded Caves
Video has Closed Captions
Preview: S1 Ep4 | 30s | Dive into a network of unexplored underwater caves in Mexico with Steve Backshall. (30s)
Preparing for the First Cave Dive
Video has Closed Captions
Clip: S1 Ep4 | 2m 16s | Steve prepares for his first training dive and tests out his equipment. (2m 16s)
Scuba Diving in an Unexplored Cave
Video has Closed Captions
Clip: S1 Ep4 | 2m 51s | Steve joins expert underwater cave explorer Robbie Schmittner for a cave dive. (2m 51s)
Video has Closed Captions
Clip: S1 Ep4 | 2m 20s | Cave diver Bernadette Carrion van Rijn takes Steve on a training dive. (2m 20s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipSupport for PBS provided by: