I read an article that the man, who found the rocks in the cave that showed man fighting with dinosaurs, had scratched out the scenes with his son. I guess that doesn't make interesting reading.
The same thing with the pyramids. When a bunch of "experts' can't figure out how it was done, they have to come up with a mystical explaination to explain their inadequacies.
Actually they did build half a small pyramid using ancient techniques. Lead to the rediscovery of many methods used. They have also setup monoliths using ancient methods.