In "Destination of the Week," MNN features a city that has achieved or is working toward a green reputation. Each week, the "Destination" article highlights green activities to enjoy in a particular city (in the U.S. and beyond), including restaurants, hotels, parks, events, shopping, public transportation, recreation and other attractions that satisfy the wants and needs of a green traveler. Check out this weekly series and be inspired to plan your next trip. (Photo: Flickr)