What Am I Riddles

Question: What has rivers but no water, forest but no trees and cities but no people.

Question: I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am i?

Question: I fly like a bird of many colors through the sky. i am made with both wood and fire but i do not burn up.You can see me clearly during the day, but i am nearly invisible at night. What am I?

Question: I'm the one that gives you information, I'm the one that lets you have the ability to control yourself, I'm the one that stores all memories and without me you'll be dead in a instant. What am I?

Question: What has four legs, breathes, but doesn't move?