Ancient Aliens - Season 13 (2018) (season)
VOD (1)
Plots(1)
Researchers claim there are hidden messages that can be found within the works of Leonardo da Vinci – and other art throughout history – that may reveal an extraterrestrial influence. (iTunes)
Gallery (1)
Photo © History Channel
![Ancient Aliens - Da Vinci's Forbidden Codes - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/164/466/164466952_7c35cb.jpg)