Made for fun, but decided that it fit the criteria for the "nature" contest.
Quite obviously mine focuses on space.
P:

This took about 2 hours to get things as I liked them.
Hell, it didn't even start off as a Gurren Lagann wallpaper. But my fangirlism- bless it- kicked in just in time for me to realize I could make it pretty kickass with someone "piercing the heavens".

[EDIT]
I added the ripples that I apparently forgot the other night. It's supposed to be an ocean, or at least a large body of water.