At first glance, I like "Road into the Hills", the "succulent" and the "Oyster Mushrooms". Of course I'm partial to macro so you're going to get a lot of different answers, but those get my votes. Very nice!
EDIT: I know what you mean about staring at them and getting confused. I entered a contest in a magazine (yet to be judged) and I had a very hard time narrowing it down as well. You keep second guessing yourself.