Native Indians have been known to paint their doors blue, which they believe keeps the bad spirits out. | The average ice berg weighs 20,000,000 tons. | Since its introduction in February 1935, more than two hundred million Monopoly board games have been sold worldwide. | The largest McDonald's is in Beijing, China - measuring 28,000 square feet. It has twenty nine cash registers. | The woodpecker can hammer wood up to 16 times per second.