This article presents the results of a study that used Ground Penetrating Radar (GPR) to image and visualize the stones of the Western Wall in the Robinson Arch area. Among the conclusions of the study is that the Western Wall in the Robinson Arch area is built of particularly thick stones, and that the thickness of the stones of the Western Wall in the Robinson Arch area is similar to those from which the large pillar that supported the Robinson Arch on the western side was built.