Scientists have unearthed peculiar million-year-old rock tunnels in Africa, which have left researchers puzzled and suggest ...

Archaeologists are mapping the underground tunnels of the ancient Etruscan city Veio, revealing advanced systems and ritual ...

From secret tunnels of lizard people to a cursed statue, Andrea Cavallier takes a look at the most bizarre conspiracy ...

Beneath the earth, a hidden world thrives as diverse animals construct intricate burrows for survival. These underground ...

Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they help ease journeys with reduced travel time. While most tunnels offer a short underground burst of ...