While in some countries the penalty for driving while intoxicated can be death (yes, death), in Uruguay intoxication is a legal excuse for having an accident while driving. "Please believe me officer, I really was drunk."
China's Terracotta Army is thousands of life-size clay soldiers buried with the first emperor, Qin Shi Huang. Farmers digging a well discovered it by accident in 1974.
The Exotic began partly by accident, when American Shorthair breeders crossed their cats with Persians and ended up with stocky, plush-coated, flat-faced cats that became a breed of their own.