On June 1, 1937, famous pilot Amelia Earhart and her navigator, Fred Noonan, took off in their small plane. Earhart's goal was to make a record-breaking flight around the world. On the last part of the flight, they approached Howland Island to refuel. Before they could land, radio communication from Earhart stopped, and the plane disappeared. Search efforts turned up few clues. What happened to Earhart and Noonan? Explore the theories and learn why their disappearance has become one of history's greatest mysteries.