What are the happiest spots on Earth—and what secrets can we glean from them? One utopia [Dan Buettner's] travels took him to is San Luis Obispo, near California’s Central Coast, where joy seems to be in the tap water.Dan includes boost biking and walking and create a greenbelt in his list of community attributes that increase satisfaction. Read more at http://www.parade.com/news/2010/10/03-youll-wish-you-were-here.html