What an interesting thread! I've always asked the same type of questions about the Bible/Genesis/Noah's Ark. It just doesn't add up for me either but it's alot of fun to ask the visiting Jehovah Witnesses about it when they come to your door.
I do believe in a combination of Creation & Evolution, where organized religion always wants to separate the two. My heart is spiritual but my mind is very much the scientist! I don't believe in God as being some kind of omnipotent puppetmaster, but I know there is something there, I study Nature & how everything fits, everything has a purpose, a reason. Even the lowly mosquito!
A friend of mine once asked me if I was Wiccan-we were out on his riverside dock one evening & alot of wildlife started to show up, we were happy about that of course & when I told him how much I missed it when I was gone, how glad I was to be back to see it again, he said it looked like they were glad to see me, too. I think he asked me if I was Wiccan because of the way I am with natural things, and I've been curious about it ever since. I am a spiritual person with no place to go & can't relate to the shiny happy handshaking dress up on Sunday kind of thing. I feel close to God through Nature, & my soul feels joy. I feel like something has been "calling to me" for a long time & I don't know what it is, or even if it is anything at all but my imagination.