Conspiracy theories

Have to admit, I'm a sucker for these (maybe 'sucker' being the operative word here!). Have watched the WACO, 9/11 and Mike Moore's 9/11 movies recently, and of course the big one 'Zeitgeist'. I reckon Zeitgeist is more than a theory, you can physically see this happening around us. It's becoming fact, slowly, insidiously, but surely. What about you? Any other good ones?