It’s “paradise at the end of the world,” once said Barbara Stauffacher, the graphic designer who created the ram’s horns graphic adorning the lodge at Sea Ranch in Sonoma County, California. Built in the 1960s, the quiet coastal community about three hours north of San Francisco was imagined as a means of living harmoniously with nature by a small group of architects, designers, and master planner, Lawrence Halprin. It was also a response to the kinds of gated communities found elsewhere in the country that bent the wilderness to its will and barred outsiders. A bench seat was added to…