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.

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

Beneath the island’s rainforest, explorers search for new discoveries deep within some of the Earth’s largest, longest, and wildest caves ... ran through it like hidden passages in the ...

Near the end of his 16-year journey, the monk stopped in Dunhuang, a thriving Silk Road oasis where crosscurrents ... Wang found a hidden door that led to a small cave crammed with thousands ...

A photographer has captured some impressive footage beneath a field in Shropshire showing a cave network once used by the Knights Templar. The caves can only be accessed through a tiny entrance ...