Fact Check: An Image Of An Alien Is NOT Hidden In Plain Sight On A Dollar Bill

Is there an image of an extraterrestrial or humanoid hidden in plain sight on a dollar bill, which will appear if you "change the contrast"? No, that's not true: This transformation of the Great Seal of the United States on a dollar bill into an image of a stereotypical sci-fi extraterrestrial was created by an artist darkening some areas and de-emphasizing others.