California Wine Growing Appeal     The are the heart and soul of the landscape here, changing in form from season to season. Hello! I'm Carolyn O'Neil. Welcome to CNN Travel Now in California's wine country. You know, growing grapes and making wine is not unlike other agricultural pursuits, working with Mother Nature, to try and produce the finest harvest. But travel to Napa Valley and you'll soon realize that this kind of farming has a special appeal: attracting visitors from all over the world eager to sample the good life.