When combined, the two systems formed a 215-mile-long underground labyrinth, making it the largest flooded cavern ... touring hundreds of miles of underwater caves in the state of Quintana Roo ...

A team of divers have successfully explored a tunnel linking two gargantuan underwater cave systems in Mexico’s Yucatan peninsula, unlocking what they believe is the largest underwater cave ...

Prior to this discovery, the largest underground thermal lake title belonged to a site in Hungary, below Turkish baths in the ...

A group of divers have connected two underwater caverns in eastern Mexico to reveal what is believed to be the biggest flooded cave on the planet, a discovery that could help shed new light on the ...

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 ...

57,000 year-old wolf puppy found frozen in Yukon permafrost 57,000 year-old wolf puppy found frozen in Yukon permafrost Maya Artifacts Found In World's Largest Underwater Cave Maya Artifacts Found ...