Watch as we use natural materials and traditional tools to create a luxurious underground “platinum” swimming pool—complete ...

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.

Cosmic symbols found on artifacts placed in a hidden cave chamber by lost civilization. (photo credit: CINAH Guerrero) At the depths of Tlayócoc Cave in the Sierra de Guerrero, Mexico ...