Cave-diving is underwater diving in water-filled caves. It may be done as an extreme sport, a way of exploring flooded caves for scientific investigation, or for the search for and recovery of divers or, as in the 2018 Thai cave rescue, other cave users.

Despite these risks, water-filled caves attract scuba divers, cavers, and speleologists due to their often unexplored nature, and present divers with a technical diving challenge. Underwater...

But blue holes are immense, flooded caves, and the only way to explore them is through the dangerous sport of cave diving. In our 21-day expedition, and the resulting film, diving and the...

Follow a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level was nearly 400 feet below what it is today. These...

Basically, cavern diving is a daytime activity that isn’t too far removed from open water diving. Cave divers, however, can dive miles under water, and go into areas without natural light, as well as limited water visibility.

Apr 14, 2014 · Burkhard Bilger meets the cavers exploring the Chevé system in the Sierra de Juárez mountains of Mexico, which is potentially the deepest cave in the world.

Jun 26, 2024 · When it comes to cave diving, one of the main reasons why it is considered so extreme is the inherent danger of the unknown. Unlike open water scuba diving, cave diving takes place in dark and often narrow passageways, with limited visibility and complex navigation.

Jan 11, 2025 · Diving into the Unknown is a gripping 2016 documentary that showcases the aftermath of a tragic cave diving accident in Norway. The film follows a group of Finnish divers as they embark on a perilous mission to recover the bodies of their friends who perished deep within an underwater cave.

Quite simply, cave diving is technical scuba diving in underwater caves that are filled with…um…water. The purposes include exploration, scientific discovery, an extreme sport, and search and recovery.

Catch up on a single episode or binge-watch full seasons before they air on TV. Stay up-to-date on your favorite programs, events and giveaways with the WETA Highlights newsletter. Sign up now. Scientists journey into one of Earth's most dangerous and beautiful underwater frontiers.