Mysterious Child

This is the story of a little girl who thinks she is alone in the world. One day her parents just vanished into thin air. She doesn't know she has an aunt and uncle waiting for her. She travels the world looking for the state of Nevada. She really wants to live in the Mojave Desert. She travels by plane, bus, train, and walks a lot. She meets people who reach out to help her. In the end we discover if she really discovers her true identity. How do these adventures end for her?