Game Environment Ideas

The look I am going for on my game is an enchanted forest. I want it to look natural, down to earth and yet have a fairy-tale feel to it, so I decided to add floating rocks. The floating rock will make it seem like the world is in a different dimension with the physics all different. Below are some images i gathered to help me archive my aim. 


Below are the ideas of the forest look I want to go for, as you can see it contains a lot of greenery in trees and grass:

I then began researching on floating rocks and how  could incorporate them into my scene, here are a few examples of high poly rocks: