 If you liked
Mushishi
|
 ...then you might like
Hoshi wo Ou Kodomo
|
Both take you into a magical, beautiful, but sometimes dangerous world.
The art and sound in both Mushishi and Hoshi wo Ou Kodomo are beautiful and well done, the story is wonderful and the creatures in the two anime are both mysterious and captivating.
There are many differences in the two as far as how the story goes and the setting, but if you like one, there's a good chance that you will like the other.