I dunno, I'm an architecture kinda photographer. I love taking pictures of manmade things like buildings and bridges. If I'm going shooting in black and white, bridges are really pretty. If I'm going to develop it in sepia, old, rusty buildings/locks/etc. are really, really cool.
One of the best pictures I ever took, though, it was raining and I went into my backyard with my pentax and took an upclose picture of one little section of my deck that was wet and had a random assortment of leaves. When I developed it, it was just beautiful.