Renowned archaeologist Franck Goddio talks with podcast host Steve Mirsky about his efforts to recover artifacts from the ancient cities of Alexandria, Heracleion and Canopus, with special attention to discoveries related to Cleopatra and her reign. The exhibit Cleopatra: The Search for the Last Queen of Egypt opens at the Franklin Institute in Philadelphia on June 5th. Web sites related to this episode include www.underwaterdiscovery.org