There are thousands of aligned holes in Peru. Archaeologists now think they know who made them
A series of about 5,200 boreholes stretching nearly a mile (1.5 kilometers) across the Pisco Valley in the southern Peruvian Andes has baffled researchers for nearly a century. But a new look at the site, called Monte Sierpe, or “serpent mountain,” may help archaeologists decipher why the ancients built it hundreds of years ago. The … Read more