A pair of divers unintentionally discovered a Roman-era shipwreck on the seafloor off the western coast of Sicily. The vessel was discovered approximately three miles off the coast of Mazara del Vallo, approximately 80 miles west of Palermo, at a depth of about 150 feet. Italian Ministry of Culture Amphorae, the ancient ceramic jars, piled up on the seafloor. Italian Ministry of Culture The ministry says it has no plans to raise the entire wreck. Historians say the find could significantly advance the understanding of ancient Mediterranean trade.