Sacsayhuamán is one of the most heavily engineered stone complexes on Earth, yet its true purpose remains unresolved. Located high above Cusco, Peru, this massive megalithic site features zigzagging limestone walls constructed from stones weighing up to one hundred tons, fitted together with extreme precision and no mortar. The structure has survived centuries of earthquakes that destroyed later colonial buildings nearby, raising serious questions about why it was engineered with such extraordinary resilience.In this episode of Cold Logic Podcast Season 2, the analysis moves beyond mythology and symbolism to examine Sacsayhuamán through engineering logic, military practicality, and structural intent. While traditionally described as a military fortress of the Inca Empire, this explanation begins to fail when examined closely. The scale of the walls, ...