yes... but whats written in the bible isnt even a first hand account. You are making a bad comparison. You are trying to compare the bible to written accounts of events that were put on paper as they happened. Even with these events we cant know for sure. The best we can do is verify the story from various accounts, and take maliable evidence into account then form a conclusion. No such thing canbe done with the bible. Also Atlantis is another bad example, there are some things that Plato (sp?) wrote that have been proven to be historical, such as troy. There is however the fact that one of his works is historical does not prove that all are.

Also you are chosing to interprit the thing about non believers going to hell in a fairly harsh way, if you ask me. What constitutes a believer? Wouldnt a person that believes in jesus's teachings of living an honest moral life be a believer? Does god really need to have his e-ego (earth ego hehe) stroked that bad? If you believe in being a good person and try to do so, how are you not a believer?