Have you ever seen a movie or TV show, where the person puts his or her hand through an imaginary wall or invisible shield only to enter into another dimension? That’s what the Salton Sea feels like to me. Last week, I took two of my nephews to see this odd little piece of geography. We headed east through Julian, then after a beautiful stretch of Anza Borrego and Ocotillo Wells, we ran smack dab into the 86. From there we went to Mecca and then headed south on the 111 to the official recreation area. If we weren’t on…