Discover the mysterious depths of Jacobs Well Natural Area in Texas, a chilling swimming spot with a spooky reputation. Dive ...

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

Blue holes are huge underwater sinkholes that appear on ... The team specifically referenced Krubera-Voronya, the ...

From a protected cove on Long Island, Dean’s Blue Hole—Earth’s deepest known underwater cave—plunges more than 600 feet into darkness. The entry to South Passage is decorated by ...

Deep within a cave that was once submerged underwater, researchers discovered two new ancient shark species that lived around 325 million years ago. The shark fossils had been preserved in what is ...

One of the most famous underwater caves in the world, the Blue Hole is a giant sinkhole located off the coast of Belize. The deep blue water, surrounded by coral reefs, creates a striking contrast ...

Beneath the land surface of the Bahamas, the underwater caves known as blue holes stretch ... Most of the species discovered in the deep, oxygen-depleted marine waters are new to science, so ...

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 ...