A great stadium can be the difference between a fan base becoming the 12th man. A dumb stadium means an uncomfortable environment for both fans and players alike.
No one wants to sit three hours in a refrigerator or be placed in jail for rooting too hard. Players don't want to be a move away from an ACL injury.
From Major League Baseball to World Cup soccer, some unfortunate teams call the world's worst stadiums home.
Whether the stadium fits 21,000 or 100,000, here are the 25 dumbest stadiums ever built.