Veteran cave diver Brian Kakuk lifts a more than 3,000 ... Without the unique geologic structure of the inland blue holes—deep, dark, sheltered, with little tidal flow—specialized bacteria ...

The deepest free-fall pit in the lower 48 United States, the Fantastic Pit features a staggering 586 feet (179m) drop - a ...

Deep in the cave, across a hazardous path including deep ... somehow navigating the dark, dangerous passage, and breaking rocks to build something. How they did so is for future work; soot ...

Dark Star’s passages are deep underground, yet many are 10,000 feet above sea level. The thin air at that altitude ups the physical challenge of negotiating the cave. Two days later I am at the ...

Take a deep breath and dive below the surface with cave-diving experts and scientists in the video above. Find out what it takes to plunge into the dark and mysterious world of underwater caves. Caves ...

There is no light deep in the rocky world of ... eyes become of little use. Many cave animals have lost their eyes through evolution. Instead they use alternate senses to help them navigate in the ...

We shot entirely on location, including the deep, dark cave interiors—over half a kilometer into the mountain. Lucie, early on in prep, had a very expansive overview of the elements and references the ...