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 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 ...

Here’s what you’ll learn when you read this story: 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 ...