The image is a photograph of a historic sign hanging from a tree. The sign is rectangular in shape and has a white background with black text. The text reads "HISTORIC CALIFORNIA US 66 ROUTE" in large, capital letters. Below the text, there is an illustration of a shield with the number 66 in the center. The tree has green needles and there are other trees and bushes in the background. The sky is blue and the weather appears to be sunny.