The U.S. government has Area 51. The Ravens have Field 4.
It might not be quite as top-secret as the government's Nevada facility, but the Ravens' Field 4 is the one no one sees and that no one knew about -- until kicker Justin Tucker spilled the beans.
After he made his game-winning, 46-yard field goal in overtime to beat the Pittsburgh Steelers Oct. 6, Tucker noted that the Ravens specialists frequently use the never-seen Field 4 to simulate the tough kicking conditions of Heinz Field.
