Beneath the Black Sea, ancient ships lie exactly where they sank, frozen in time by the sea’s oxygen-free depths. Greek, Roman, and Byzantine vessels—some over 2,400 years old—still stand upright, with masts, rudders, benches, and cargo intact, preserved because wood-eating organisms cannot survive there. Discovered during deep-sea surveys using remotely operated vehicles, these wrecks reveal how early sailors built ships, traded goods, and moved across the ancient world. Together, they form the