India, June 25 -- Ships have played a crucial role in shaping human history, carrying explorers across uncharted oceans, transporting settlers to new lands, and serving as powerful tools of trade and warfare. Some vessels became famous for changing the course of history through their discoveries, military achievements, or tragic endings. Others gained notoriety for a very different reason-they vanished without a trace, leaving behind mysteries that continue to puzzle historians and maritime experts.

From iconic ocean liners and legendary warships to ghost ships and unexplained disappearances, these vessels have captured imaginations for generations. Here are 20 ships that left an unforgettable mark on history-10 that became legends and 1...