I love seeing sharks so if I can bring sharks to people who can’t go see them, maybe go inspire an elementary school kid who ...

These underwater caves are amazing natural swimming spots hidden ... In total, this entire underground river in Mexico measures about 216 miles (348 km), with a maximum depth of 331-feet (101 m). To ...

Rio Secreto in Cancun was discovered almost two decades ago by complete chance. Now the underground oasis has become a major ...

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Construction has begun on a giant underwater dam in the Mississippi River in Plaquemines Parish to stop saltwater that is advancing from the Gulf of Mexico and ...

MEXICO CITY – Pollution is threatening the recently mapped Sac Actun cave system in the Yucatan Peninsula, a vast underground network that experts in Mexico say could be the most important ...

Life-size sculptures are being submerged in the crystal-clear Caribbean waters off the coast of Cancun to create an underwater museum for snorkelers and divers.

But a recently opened attraction at a bustling cruise port has visitors taking the plunge into what's being billed as the "world's first" underwater oxygen bar.

Underwater archeologists in Mexico have discovered the world’s largest flooded cave. The Great Maya Aquifer Project (GAM) team – committed to studying the mysterious waters of Mexico’s ...

Mississippi River levels are so low that saltwater from the Gulf of Mexico is threatening drinking water in Louisiana. NPR's Michel Martin speaks with Ricky Boyett of the U.S. Army Corps of Engineers.