Yes, i did the same thing when I first stumbled across Christwire. I was horrified until I realized it was satire.
So artist LES MCLAINE did this awesome print (and he has it for sale!). I highly recommend clicking through to the bigger version, if nothing else but to see all the crazy detail. Bigger
The rather brilliantly named Necrometrics, part of the historical atlas of the 20th century. "If you consider it rude to reduce human suffering to cold statistics, you don't have to. Turn away now.
On the other hand, if you believe that numbers matter, then you'll probably want to know the correct numbers. On these pages, I have collected a variety of body counts for all the major atrocities of the 20th Century and set them out for you to examine. I have tried to keep commentary to a minimum, although I would have to be a robot to avoid passing occasional judgement on the accuracy of some of these estimates."