These events had historians stumped for years.
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The Lost Army of Cambyses II
19th-century painting of Cambyses II meeting his predecessor, Psamtik III.
The Mystery of the Mary Celeste
The Tunguska Event
Trees felled by the blast.
The Fate of Anastasia
Anastasia c. 1914.
The Pearl Harbor Ghost Plane
The USS Arizona burns during the attack on Pearl Harbor.