Swallowing the Camel has a long list. Here’s the first chunk of ‘em:

The driver shot JFK. (the late William Cooper)The Beatles were designed and sent to the U.S. by the British Psychological Warfare Division, to undermine the morals of American teenagers. (Lyndon LaRouche)Christ’s Crucifixion was staged. (Hugh Schonfield) Christ eloped with Mary Magdalene, and one or both of them fled to France to raise their family. (Baigent/Leigh/Lincoln)Christ and his disciples were a magic-mushroom cult. (Dead Sea Scrolls scholar John Allegro)HIV/AIDS was created in a lab.HIV does not cause AIDS. Man never landed on the moon. It’s not even possible. But there is an alien base there. (see Wikipedia; for an artful and very funny parody of how these theories can be patched together from unrelated material, watch the mockumentary Dark Side of the Moon)The Zapruder film is entirely fake, even though it contradicts the findings of the Warren Commission. (Jim Fetzer)Stephen King killed John Lennon. (Steve Lightfoot)WWII was staged. It never really happened. The Illuminati employed elaborate special effects, stage magic, and phony journalism to scare the world into pacifism. (Donald Holmes)