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The format was of an internet scavenger hunt that is offering chances to win $US50,000, $100,000 and $1,000,000.
Learn about everything from the lives of Alaskan fishermen, to the birth of the Harley Davidson brand, with this list of the Discovery Channel's greatest hits.
These documentaries and reality shows explore some of the baffling historical mysteries, search for lost treasures, and explore ancient relics--populated by intrepid archeologists and treasure hunters who make Indiana Jones look timid.