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Underwater Universe of the Orda Cave

   2017    Nature    HD
Located beneath Russia's Ural Mountains, Orda Cave is legendary among divers for its unique beauty. The cave's waters are clearest in winter, when the land above lies frozen. With temperatures approaching minus 40 degrees, NHK attempts to film the cave for the first time ever using 4K cameras. Scientists give them insight into the cave's origins, enabling the crew to uncover the miraculous story of how the cave was naturally formed 300 million years ago by climate change and a shifting landscape.

Diving into the Unknown

   2016    Culture
Four Finnish cave divers face their worst nightmare when two of their friends drown deep inside an underwater cave in Norway. When the official recovery operation is called off by the Norwegian and British authorities after being deemed too risky, the friends set out on a secret mission to retrieve the bodies themselves. "Diving into the Unknown" isn’t just the dramatic story of a life-threatening mission. It is also a story about unconditional friendship that truly runs deep. While each member of the team has years of experience exploring dangerous deep-sea caves, together they are about to face the biggest challenge of their lives. To make it out alive, they will need to be able to rely on each other every second of the way. And the physical demands of this operation will pale in comparison to the psychological toll it will take on everyone involved. With footage from the actual accident and multiple cameras both above water and deep below the surface, this film follows the breathtaking recovery mission from beginning to end.

Carlsbad Caverns

   2013    Nature    3D
Carlsbad Caverns are located in the Chihuahuan Desert of southern New Mexico, within the Carlsbad Caverns National Park. There are more than 100 caves. The Natural Entrance is a path into the namesake Carlsbad Cavern. Stalactites cling to the roof of the Big Room, a huge underground chamber in the cavern.
The Wehrmacht
The Wehrmacht

   2007    History
Secrets of the Dead
Secrets of the Dead

   2017    History
Chased by Sea Monsters
Chased by Sea Monsters

   2003    Science
The Story of Science
The Story of Science

   2010    History
The Big Think
The Big Think

   2017    Technology
History of the Eagles
History of the Eagles

   2013    History
Natural World
Natural World

   2017    Nature
Human Planet
Human Planet

   2011    Culture