New evidence from Lake Van in eastern Turkey is turning the ancient-history world upside down. Matt LaCroix explains how divers accidentally uncovered the deepest confirmed underwater ruins ever found — a site hidden beneath the lake until 2017. Massive stone blocks, submerged structures, and unexplained engineering are now forcing researchers to rethink the timeline for early civilizations. If this much was hiding underwater, what else are we missing? What do you think Lake Van really was? #his