The Earth harbors hidden geological marvels, and among the most enigmatic are blue holes. These enormous underwater sinkholes, often teeming with marine life, provide a glimpse into our planet's ...
The "Taam Ja' Blue Hole," located in Chetumal Bay in Mexico, is now recognized as the deepest underwater blue hole ever identified with a recorded depth of at least 1,378 feet (420 meters) below sea ...
Evie Carrick is a writer and editor who’s lived in five countries and visited well over 50. She now splits her time between Colorado and Paris, ensuring she doesn't have to live without skiing ...
They were rolling in the deep. Scientists have identified what could potentially be the “deepest known blue hole” in the world, extending so far down that the bottom has not yet been reached.
This story appears in the August 2010 issue of National Geographic magazine. We sink into Stargate, sweeping the void with our dive lights. Fifty feet from the surface looms a pale haze, less ...
America might have landed on the moon, but Russia drilled the deepest man-made hole on Earth. Since the early 1960s, scientists have attempted to drill down to the Earth's mantle. It took 20 years ...
China's southwestern karst landscape is pockmarked with dozens of enormous sinkholes that look like they were made with a cookie cutter — and scientists keep finding new ones. Why it's ...
Beneath the land surface of the Bahamas, the underwater caves known as blue holes stretch for hundreds of miles in all directions. Today, these labyrinthine passages host a variety of tiny sea ...
More than a century ago, a group of militants were forced to trek the remote Siang Valley in northeastern India during ...
Need a trip idea? Whether you're a beach bum, adventure junkie, or devout worshipper of the weekend getaway: yes, there's a trip for that. This Florida Destination Has Rare Dune Lakes, Quartz ...
Thought to have been formed during the latter ice ages, blue holes are seen as 'ecological hot spots' with an abundance of plant and animal life. Now, scientists have identified the largest blue ...