The ceque system of Cusco, the ancient capital of the Inca empire, was perhaps the most complex indigenous ritual system in the pre-Columbian Americas. From a center known as the Coricancha (Golden Enclosure) or the Temple of the Sun, a system of 328 huacas (shrines) arranged along 42 ceques (lines) radiated out toward the mountains surrounding the city. This elaborate network, maintained by ayllus (kin groups) that made offerings...