Consider waiting in line at the convenience store to try and win the $1.35 billion Mega Millions jackpot.
Players purchase Mega Millions tickets in advance of the drawing on Friday night.
A Sacramento, California, Powerball ticket worth $1.6 million was expired in May.
a $1 million Powerball ticket purchased in Michigan had expired in the same month.
According to lottery organisers, participants lose out on millions of dollars in wins each year.
Million-dollar payouts in Texas, Iowa, Minnesota, Michigan, and Washington State have been waiting to be claimed for months.
"Each year, California Lottery prizes worth millions of dollars go unclaimed.
The money is given back to the state lotteries in proportion to their sales if a grand prize winner of the Powerball or Mega Millions does not claim their award.