For centuries, tales of secret tunnels beneath the ancient Inca capital of Cusco were considered little more than legends. Today, archaeology is beginning to substantiate these claims in the ruins ...

The existence of a tunnel network under the ancient Peruvian city of Cusco had been rumored for centuries. At times stretching more than a mile, the labyrinth connected the Temple of the Sun to key ...

The underground city of Derinkuyu is an eight-level warren of traps and wrong turns descending about 200 feet into the earth.

Add Yahoo as a preferred source to see more of our stories on Google. The existence of a tunnel network under the ancient Peruvian city of Cusco had been rumored for centuries. At times stretching ...

The Incan Temple of the Sun in Cusco has long been a visual and cultural jewel of the ancient empire. But there’s even more to admire below ground. Recently, archaeologists confirmed a long-held rumor ...