Clay-covered bodies squeeze through narrow rock passages. Sparingly lit by their helmet lamps, they blend in with the sediment-covered cave walls. The film accompanies a group of cave explorers and looks at their different motives for venturing into the inaccessible depths. In the farthest corners of the "Windloch" cave, discovered in 2019, lies a chamber filled with bizarre, delicate aragonite crystals. The most extraordinary of these is called "Hydra" by its discoverers.
Clay-covered bodies squeeze through narrow rock passages. Sparingly lit by their helmet lamps, they blend in with the sediment-covered cave walls. The film accompanies a group of cave explorers and looks at their different motives for venturing into the inaccessible depths. In the farthest corners of the "Windloch" cave, discovered in 2019, lies a chamber filled with bizarre, delicate aragonite crystals. The most extraordinary of these is called "Hydra" by its discoverers.
A group of students become trapped inside a mysterious cave where they discover time passes differently underground than on the surface.
Based on the true nail-biting mission that captivated the world. Twelve boys and the coach of a Thai soccer team explore the Tham Luang cave when an unexpected rainstorm traps them in a chamber inside the mountain. Entombed behind a maze of flooded cave tunnels, they face impossible odds. A team of world-class divers navigate through miles of dangerous cave networks to discover that finding the boys is only the beginning.
Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions.
When a team of explorers venture into the catacombs that lie beneath the streets of Paris, they uncover the dark secret that lies within this city of the dead.
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
A true-life drama in the 1920s, centering on British explorer Col. Percy Fawcett, who discovered evidence of a previously unknown, advanced civilization in the Amazon and disappeared whilst searching for it.
When Travis, the mouthy son of a criminal, disappears in the Amazon in search of a treasured artifact, his father sends in Beck, who becomes Travis's rival for the affections of Mariana, a mysterious Brazilian woman. With his steely disposition, Beck is a man of few words -- but it takes him all the discipline he can muster to work with Travis to nab a tyrant who's after the same treasure.
The true story of mountain climber Aron Ralston's remarkable adventure to save himself after a fallen boulder crashes on his arm and traps him in an isolated canyon in Utah.
A treasure-hunting mastermind assembles a team for a life-changing adventure. But to outwit and outrun threats at every turn, he'll need someone even smarter than he is: his estranged sister.
On a road trip, Nic and two friends are drawn to an isolated area by a computer genius. When everything suddenly goes dark, Nic regains consciousness – only to find himself in a waking nightmare.