My Million Dollar Invention: Guns and Goldmines

  • 46m
  • HD
  • TV-PG

What 400-year-old secret is the cymbal hiding? What is the untold story of the creation of Monopoly? We explore multimillion-dollar inventions, and meet the people who changed the world with the barrel of a gun, an ancient riddle, selfless customer service, and a lucky roll of the dice.