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.

With their first discovery they set their record for size: It was called Deer Cave, or Gua Rusa, and its entrance was so enormous ... a river into the side of a mountain. After climbing, pulling ...

We were hiking across a mountain ridge when we came across what ... This wasn’t just a hidden cave - it was an underground cathedral of stone, completely invisible from the surface.

Fortnite is known for its ever-evolving map, filled with hidden secrets and treasures waiting to be discovered. One such secret is the hidden cave located at Canyon Crossing. This guide will walk you ...

More is known about the terrain of Mars than about what lies hidden ... inside the mountain. I would spend two nights recording the team’s progress in mapping new parts of the cave and ...