Earhart and her navigator Fred Noonan disappeared July 2, 1937, while attempting to fly a custom-built Lockheed Electra plane around the world. The plane disappeared en route from New Guinea to Howland Island, and no wreckage was ever found. The aircraft group believes the pair landed on the remote island of Nikumaroro, in what is now the Pacific nation of Kiribati, and survived for a while; apparently previous expeditions turned up artifacts that could have belonged to them. Other historians believe the plane plunged into the sea. Still others have held Earhart and Noonan were spies and were captured ... and there are plenty of other wild conspiracy theories.