Mysterious giant stone circles discovered high in Argentina’s Andes

Filed by Elara Myst

A previously unknown complex of large geometric stone structures has been discovered in the remote Cordillera del Tigre in Argentina, prompting an international archaeological investigation into its origins and purpose.Located more than 3,000 metres above sea level in the mountains of Mendoza province, the site contains large circular structures connected by passageways, along with stone walls, ditches and excavated areas.Some of the circles measure between 27 and 35 metres in diameter, ma