Geology
In terms of the sciences, geology is my "first love". I think it was around second grade that I started digging around for shiny crystals on the playground instead of playing tetherball. I had a pretty good rock collection going by third grade, though most were shabby specimens I had picked up off the ground.
Now I have what I would call a "real" collection, in that it holds quite a few high-quality store-bought specimens. I especially like geodes and elaborate quartz crystal specimens....so if you've got some nice rock lying around that you don't want, give it to me! I'll accept anything. My only problem with my collection is that I haven't actually gone into the field to get any of the nice ones. Hopefully one day I'll be able to go on a geologic field trip and find something that looks nice and is really *mine*.
I also enjoy the scientific aspect of geology. My favorite areas of study are igneous petrology (volcanic rocks), minerals (mainly crystal formation), planetary geology (as I mentioned above), and glacier/arctic activity (Ice Ages, continental ice sheets--like Antarctica, and the like), etc, etc, etc!
Astronomy, Physics, other sciences
Theoretical physics is fun too. String theory, inflation theory, the physics of galactic/interstellar interactions, celestial mechanics, particle physics, you name it I like it!
Competitive Cycling
Japan
Mountaineering
Okay, so I haven't been to Everest or Rainier or the Alps, but because I am poor mountaineering is a sport I enjoy from a distance. I experience it vicariously through reading lots of mountain climbing literature (see the books page), and have that dream that "one day" I'll get to climb something that you need bottled oxygen to get to the top of.
My best friend Lauren afforded me the opportunity to go climbing in the Rockies in Rocky Mountain National Park, an act of kindness I will never forget. While the tallest mountain I climbed was just below 14,000 feet, it was enough to make me realize that hiking and climbing are very very hard. But that is the purpose of sport, and I enjoyed it very much. Hopefully I will be able to go climb some more serious mountains than Mount Meeker in the future.
Artsy Stuff
Well, I like to write. I know, I'm an engineer, which means I should be a crappy writer, but I also want to be an astronaut, which means I have to be a good writer. Fortunately I strike a balance between the two by being a not-bad writer. I wrote a 212 page (212 computer pages, Times size 10 font, single spaced) sci-fi story back in high school, lots and lots of poetry (which I still keep up, though all of that is safely hidden away where no one save myself can find it). I also want to write a 4-part fantasy novel series that I've had floating around in my head for about eight years. One day...one day, I'll write the whole thing!
I also like to draw....in fact, I probably do that better than I can write. I mostly draw people, but I don't go for the whole still-life look. My stuff is more comic-book like, I think. I'll scan some of it and put it on the site at some point.
Here is an example of one of my favorite artistic media: Windows Paint.
AND...here is a patch I designed for the International Space Station life support training group at the Johnson Space Center, both preliminary and final!

"Oh lawd, they made a cartoon about Julie! We don't want to watch a show about some girl eating all day!!"