Idyllwild, California, is an extraordinary mountain village. On weekends and holidays, it hosts a flood of visitors. Many are drawn by its reputation as an arts community; more come simply to savor the serenity of the surrounding forested wilderness. Residents treasure Idyllwild's quiet isolation from the trappings of suburban life and its sense of familiarity and community, a throwback to small-town America early in the 20th century. Modern technologies...