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underwater caves

Swimming into Xibalba: Secrets of the Maya Underworld
Image: iStockphoto.com/Hoatzinexp

Swimming into Xibalba: Secrets of the Maya Underworld

Sinkholes dot the area once inhabited by the Maya, who believed these cenotes were portals to the underworld. And they were right: The pools in the Yucatán Peninsula lead to an underground network of caves and rivers.

Journey into these deep dark caves, where the risks are great, and so are the rewards.

WilderUtopia.com
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Exploring the World’s Deepest Blue Hole

Exploring the World’s Deepest Blue Hole

At 663 feet, this blue hole in the Bahamas is the deepest in the world and popular with free divers. Find out how it formed and why those who live nearby stay away. More...

Images
Weather Channel
Life Beyond Earth? Underwater Caves In Bahamas Could Give Clues

Life Beyond Earth? Underwater Caves In Bahamas Could Give Clues

These underwater caves could provide answers to how ocean life first formed on Earth, as well as to marine life that may live elsewhere in the universe. Investigate these natural laboratories. More...

Article
Texas A&M University
Creatures of Underwater Caves

Creatures of Underwater Caves

Beneath the Bahamas, stretching for hundreds of miles are underwater caves called blue holes. Meet birds, reptiles, and crustaceans — some never before seen — that live there. More...

Interactive
NOVA/PBS
Deep Dark Secrets

Deep Dark Secrets

It’s dangerous to dive into the blue holes of the Bahamas, so explore them in these photos: a stalagmite forest, toxic hydrogen sulfide layer, whirlpool, and centuries-old human and animal bones. More...

Images
National Geographic
Explore Mexico’s Cenotes

Explore Mexico’s Cenotes

Formed when the roof of a cavern collapsed, a cenote is a pool-filled sinkhole in the Yucatán Peninsula limestone. Are these formations entrances to the underworld, as the Maya believed? Take a look. More...

Images
Travel Channel
Oldest Skeleton in Americas Found in Underwater Cave?

Oldest Skeleton in Americas Found in Underwater Cave?

An underwater cave along the Caribbean coast of the Yucatán Peninsula may be the site of the oldest human skeleton ever found in the Americas. What information does this discovery reveal? More...

Article
National Geographic
Risking It All for Science

Risking It All for Science

Exploring the dangerous world of blue holes requires the expert training of seasoned cave divers. See how their skills have helped anthropologists, geologists, climatologists and other scientists. More...

Article
NOVA/PBS
Underwater Robot

Underwater Robot

Stay dry and get a clear view of an underwater cave, thanks to a robotic camera system that takes panoramic, high-resolution photos. More...

Video
National Geographic
Underwater Windows to the Lost World of Caribbean Monkeys

Underwater Windows to the Lost World of Caribbean Monkeys

Investigate what underwater caves revealed to anthropologists and divers working together in the Dominican Republic about monkeys that once lived in the Caribbean. More...

Article
Advanced Diver Magazine
Blind Cavefish

Blind Cavefish

Swimming in deep, dark warm-water caves, the blind cavefish has survived for hundreds of thousands of years. Discover how they lose their eyesight, and why that doesn’t matter. More...

Article
Pittsburgh Zoo
Dominican Subaquatic Fossil Primates

Dominican Subaquatic Fossil Primates

Find out why the freshwater caves off the Dominican Republic are a treasure trove of well-preserved fossils of extinct mammals — and what’s unique about the caves themselves. More...

Video
DRlocal
Guillermo de Anda, Underwater Archaeologist

Guillermo de Anda, Underwater Archaeologist

Underwater archaeologist Guillermo de Anda descends hundreds of feet into remote flooded caves dotting the Yucatán Peninsula landscape. Find out the human stories he’s searching for. More...

Profile
National Geographic
Quintana Roo Underwater Cave Project

Quintana Roo Underwater Cave Project

How do you explore underwater cave systems, and why? Join explorer Sam Meacham as he describes the scientific work of his team of cave divers, and what it takes to do that. More...

Profile
National Geographic

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