I remember reading several years ago about a mystery or puzzle about a photograph from an Apollo moon landing mission that had to do with why someone's suit was as bright as it was in the photo. There were quantitative questions beyond the normal conspiracy theory-class mysteries.
The reason I remember reading about it is that a new, improved rendering engine that could model complex surfaces and material properties (and substantial computing time) was used to find the answer. While many rendering engines exist that can produce realistically believable images for normal scenes, the result here was essentially photometric rather than just aesthetic.
So far I can't find this result anywhere. I think I read about it 3 to 5 years ago.
The final conclusion was that...
(mouseover the block quote below)
not a fake, we did go to the moon!