Following the Shackleton of Cave Diving | Digital Extra

Clip: Season 1 | 2m 13s Video has closed captioning.

Robbie Schmittner is a pioneer in the world of underwater cave exploration, universally acknowledged as the world’s most dangerous activity. Robbie has spent nearly a decade charting the Yucatán’s vast network of underwater caves, known as cenotes. Along with his dive partner, he discovered the largest water-filled cave system in the world.

Aired: 02/05/20

Rating: TV-PG

Problems Playing Video? | Closed Captioning