mystery
something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets" [syn: enigma, secret, closed book] 2: a story about a crime (usually murder) presented as a novel or play or movie [syn: mystery story, whodunit]
myth
A fiction or half-truth, especially one that forms part of an ideology.
A fictitious story, person, or thing: “German artillery superiority on the Western Front was a myth” (Leon Wolff).
Sorry, but 'newbie' (a.k.a. Hustler) bashing is made too easy by the state of the educational system these days...
Lol you beat me to it Bigmick!