For thousands of years, the Sahara has stood as both a barrier and a bridge — shaping empires, erasing civilizations, and guarding secrets beneath its shifting sands. This episode of History Unpacked traces the Sahara’s story from its ancient green past to the vast desert we know today. Discover forgotten kingdoms, trade routes that linked Africa to the Mediterranean, and the explorers who dared to cross the endless dunes. Join us as we uncover the haunting beauty and timeless mystery of the world’s largest desert.