Archaeologist Stella Demesticha and historian Michael Scott determine the cargo of an Ancient Greek ship.
(02:28)Hironobu Kan scans the Yonaguni monument. Using this data it's possible to drain the ocean.
(03:33)A stunning, intimate and unflinching portrait of free solo climber Alex Honnold, as he prepares to achieve his lifelong dream:...
(02:22)It’s now time to be social. Males seek out one or more females to mate with. These two have already bonded.
(00:30)On Russia’s far Eastern edge is the stark peninsula of Kamchatka. In this surprising place heaven and hell collide. Life and...
(01:07)Attaching a crittercam to the dorsal fin of a Great White Shark is a risky endeavor.
(02:21)A picture speaks a thousand words… Or in this case, thousands of dollars.
(02:43)A smuggler denies swallowing drugs, but an X-ray exposes the truth.
(02:19)Bernie's son saves the day when his loader breaks down mid-sluice.
(02:40)A flying lizard is pursued by a flying snake.
(01:27)What happens when we die?
(00:30)Baby male elephant Beco is introduced to Bull elephant Hank.
(02:37)Few people have ever seen one – or ever will. The Amur leopard. About 30 remain in the wild, making it the most critically...
(00:52)Worldwide, ants are so numerous their total weight is almost as much as the human population. A force to reckon with. Workers...
(02:59)