Among the country's 52 largest cities, there's none happier than D.C., according to the Gallup-Healthways Well-Being Index.
Apparently the traffic doesn’t kill our spirit.
That ranking is based on certain happiness indicators, including clean lungs and clean teeth. Eighty-five percent of people don’t smoke, and 72 percent go to the dentist.
Free museums, parks and monuments add to the rich cultural environment.