Amelia May Earhart disappeared over seventy years ago somewhere over the Pacific Ocean while attempting an around-the-world flight. Fascination with the thirty-nine year old aviatrix and her mysterious end continues to this day as investigators gather new information and sift through the old. The hunt for Amelia Earhart and her navigator began one hour after the duo’s final transmission and was, at the time, the most intensive and expensive search and rescue mission in U.S. history. While little evidence was uncovered at the time, theories as to the disappearance abound. Join National Geographic investigators as they examine the facts concerning this decades old search.