All throughout history, mighty cities have been abandoned and forgotten. Lost Cities takes us on a fascinating journey to discover them. Learn about Troy and Babylon, two important cities of the ancient world that were lost for thousands of years. See how Pompeii was destroyed and smothered when the volcano-Vesuvius erupted. Discover how cities in Africa. South America, and Asia were lost until intrepid explorers uncovered them. And see how the search continues today on land and under the sea.