For anyone who wonders about stories never told, there’s an interesting article by Ron Unz that’s been circulating the web (I found it on Marginal Revolution).
Alongside a variety of criticisms of media reporting from World War II to recent times, Unz focuses especially on three potentially huge stories that were mostly or entirely ignored by the mainstream media. He acknowledges that you can’t be 100% sure they’re true, but at the same time he suggests overwhelming evidence for each of the following: