LET US NEVER FORGET - Hijacked United Airlines Flight 175 from Boston crashes into the south tower of the World Trade Center and explodes at a. on September 2001 in New York City. (Photo by Spencer Platt/Getty Images)
This picture was taken on at Ground Zero and has been the subject of great debate - some attribute it to "Mothman." I don't know what it is but it is creepy and, as yet, unexplained. If mothman is a harbinger of destruction, this thing fits the bill.