i tend to gravitate towards realism, or at least plausibility... i've never really made it far enough to get to deep into cultures.. but i do find myself always trying to figure out flora and fauna, a cities food requirements, or exactly where the damn water falls of of any given mountain (thank you GIS degree).. needless to say, i've yet to finish a world i've begun building
Photoshop, CC3, ArcGIS, Bryce, Illustrator, Maptool