I have been living in the Washington DC area for almost 10 years and this weekend I had a chance to explore four new places in DC that I had never experienced.  Whether you are a long-time resident or in town visiting, here are some must-sees that you can do during an afternoon to the nation’s capital. A visit to the United States Botanic Garden: Be ready to soak in the variety of flowers from around the world. From orchids to native desert plants to those found in our 50th state, this is a place where you’ll definitely want to bring your camera to take those stunning photos. Admission is free and it’s…