Legendary Explorer Who Found the Titanic to Search for Amelia Earhart's Plane

It's a mystery that's puzzled the world for decades: What happened to Amelia Earhart? The famous aviator and her navigator, Fred Noonan, disappeared without a trace in a remote part of the South Pacific on July 2, 1937. Now, a world-renowned explorer who helped find the Titanic hopes to solve the mystery once and for all. National Geographic Explorer-at-Large Bob Ballard and his team will investigate underwater and on land for clues, and film their expedition for a two-hour documentary.