In the early days of the Mac, I used to love playing around with Bryce, which could generate very realistic scenery, which was my forte, or bizarre other worldly scenes straight out of science fiction flick.
Bryce is still around, along with high-end rendering programs such as Vue. These programs aren't cheap. Bryce is $249.95 for the Pro version and Vue has versions from $99 to $995 but they have amazing features and power.
I've been playing with TerraRay 4, which currently is on sale for $4.99. It's a great way to explore landscape creation on a budget. This app doesn't create animations like its high
