The TIGHAR team flies 2,000 miles to see if one of Earhart's engines is in an abandoned dump - and gets a surprise.
Relics of an American woman of the 1930s.
The second TIGHAR expedition to Nikumaroro re-enacts the 1937 U.S. Navy search and finds surprises, frustrations. and new clues.
In the run-up to th Niku IV expedition, unconventional funding and an amazing new witness.