First take a look at this official NASA image of part of the moon:
http://www.lpi.usra.edu/resources/apoll ... S15-P-9625
Notice what appears to be a cigar-shaped object, circled in this smaller version:
http://www.neilslade.com/gifs/moonstrip.jpg
Now look at this supposed video of a flyover of the object:
http://www.youtube.com/watch?v=rc7mkHtuLOs
Here's a still:
This is either astonishing real footage, or the work of an incredible model maker and visual effects artist. Obviously I suspect the latter, but I'd love to know how it was produced.