In 1941 Soviet Russia, twenty-two priceless panels are stolen by the Nazis from Catherine Palace. So begins the hunt for the missing Amber Room.
When an empire collapses, the Florentine Diamond vanishes from the imperial treasury. Amid a royal scandal, investigations fail to locate the jewel.
n 1971, a man hijacks a plane and skydives into the dark with a $200,000 ransom. His fate remains a mystery more than half a century later.
The concrete of the Roman Pantheon has lasted millennia. How did its formula get lost in time? And why can't engineers duplicate its strength?
In 1492, Christopher Columbus's Santa Maria sinks off the coast of Hispaniola, igniting a centuries-long hunt for the wreck and nearby settlement.
The miraculous resurrection of Christ stands at the centre of worldwide faith. But can the tomb of Christ's greatest miracle ever be confirmed?
In a Chinese cave, the fossils of an unknown ancient human ancestor are uncovered. Lost in the fog of WWII, will these traces ever be recovered?
In 525 BCE, fifty thousand Persian soldiers march into Egypt's Western Desert and vanish. Were they victims of divine wrath or military disaster?