A mapping expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing shocking evidence of an extinct civilization.

Dimas once again guided the archaeologists into the cave and down into the hidden room, where the experts noticed the ...

Visitors will be able to enjoy a half-mile loop through the narrow passages and steep sections of the stunning marble cavern ...

Pavlova is a Russian speleologist, or a scientist studying caves, and she was on a mission to map caves in the region. But, she needed the help of a local who knew the rocky caverns inside and out.