Every lottery player dreams of winning the jackpot someday! The dream of becoming an instant millionaire is a big part of the thrill that comes with buying a lottery ticket either at the corner shop or online. Unfortunately, every year there are millions in lottery prizes go unclaimed. If you’ve ever wondered which lottery has the biggest unclaimed prizes, it’s the EuroMillions, US Powerball, and Mega Millions. Let’s delve in and find out just how big these unclaimed lottery winnings were and how you can avoid losing your winnings when you win.