The Clinton Station Diner, exit 13 on 78 west in New Jersey has several food challenges, up to a burger that is supposed to be 50 lbs of meat, total weight of 105 lbs. As I recall, that one is for you and 9 friends, and if completed, you wim $5000!!!

According to ABC News, the challenge is for 5 people and the award is $1000

http://abcnews.go.com/Business/SmallBiz/Story?id=6353125&page=2