Lebanon’s Greatest Mystery Finally Solved — Baalbek Megalithic Structure No Human Could Ever Build. A single stone block in Lebanon weighs 1,500 tons – that’s heavier than 10 blue whales stacked on top of each other. Our most powerful cranes today can barely lift 20% of that weight. Yet somehow, ancient people not only moved these monsters but placed them with surgical precision 23 feet in the air. After decades of investigation, we finally know who did this and how – and the answer will completely change how you think about ancient civilizations.