A friend I knew pledged an MIT frat in the 80's. The upperclassmen realized that you could get goat heads for like 50 cents a pound at one of the local stores. For one of their hazing pranks, they gave each pledge a goat head and instructions to hide the goat head on campus, which whichever head was hidden the "best" would get a prize.

The resulting kerfuffle and news articles on the incident (including allegations of satanism on the MIT campus) is definitely something that frat will be proud of forever.