While it may seem impossible for a plane to just disappear, the fate of the troops aboard Flight 739 remains an enigma.
The odds were stacked against pilot Jeziel Barbosa de Moura when he ran into trouble over the largest jungle in the world.
When a light plane was found in remote Canadian woods, the pilot was nowhere to be seen, creating a mystery no one could solve.
In November of 1957, a luxurious Pan Am flight took off from San Francisco, but it never landed in Hawaii – and no one knows why.
When Amber Ryan rang her boyfriend, an unexpected person answered – and he had grave news about the fate of her cherished partner.