Google Maps Blog features a download which one can view the destruction of villages in Darfur by Arab Islamic extremists. Another Google Earth layer allows one to view 600 destroyed villages. One Free Korea is highlighting an unknown feature in North Korea which may mass graves of either prisoners or famine sufferers. The Google Earth download for it is here.
Radical Geography links to a game which allows one to "experience" the struggle of Darfur refugees. Unfortunately, real refugees "play" this everyday.