Photos: The sounds of Skywalker

Tucked away in the foliage at Skywalker Ranch is Tik-Tok, a fictional robot from the Land of Oz books by L. Frank Baum. This Tik-Tok was a gift to George Lucas from Walter Murch, a long-time collaborator with Lucas and Francis Ford Coppola.

Photo by Daniel Terdiman/CNET News.com