Audio Cave

Thai cave rescuers say they expected some kids to die during the mission; Mission is a 'go': Rescuers jump into action to save boys from Thai cave

Understanding the Origins of Religion

Decades after a rock church in communist Romania's Carpathians caved when an expedition caused a landslide and buried everyone, Dr. Nicolai's scientific team exploring the associated Templar Knights monster fighting-legend discovers a deep, flooded cave system and hires the brothers Jack and Tyler's brilliant divers team to explore it. Another explosion traps them, after finding a mysterious parasite turning all species carnivore, and later an independently evolved predator species. Jack may be infected and turning, but Tyler sticks with him, so the group splits, hunted by the monsters, which also fly.

This unusual Western combines action with eerie mystery when Pete Carver, the sole survivor of a gang of robbers slain after a heist, returns to the scene of the crime years later to find the loot, only to discover that a boom town has arisen there. Pete becomes involved with newspaper publisher Elizabeth and, aided by Wells Fargo agent Dobbs, searches the gang's cave hideout for the buried gold.

When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.

Secret History documentary charting an astounding archaeological investigation in South Africa that has discovered the remains of an entirely new species of human ancestor: Homo naledi. Following an expedition by a team of experts, led by Professor Lee Berger, as they recover over 1,500 fossilised bone fragments from a deep and nearly inaccessible cave and conduct extensive analysis.

A strange cave freezes in the summer and melts in the winter, and a massive sand dune swallows a small child in an instant. Rob Nelson and Stefan Burns use cutting-edge technology to investigate these mysteries of the natural world.

This exclusive special goes behind the scenes of the Thailand cave rescue for the first time, highlighting the remarkable men and women who faced danger to become heroes and the groundbreaking technology that made the rescue possible.