Yikes! Somebody found a dead five-to-six hundred pound manta ray, with a wingspan of 11 feet, on a beach in Salem, MA. Apparently it took six guys to haul the thing onto a dock so scientists could poke at it. The picture in the Local 6 News article is sort of disappointing, so here is a better one (link):

Damn, that thing is big! There are some more pictures here. 

Via Local 6 News