Visited DC and Arlington for the first time in May 2013. We knew we had to visit Arlington National Cemetery and the Tomb of the Unknowns. We went late on a Saturday when it was cloudy and a light drizzle. What a moving experience! The men we saw with the Honor Guard were very impressive. While this is a solemn event, it is very touching to see how everyone there is quiet and respectful during the changing of the guard ceremony.This is a must-see if you are in the area. Along with the changing of the guard, we saw two sets of middle school students present wreaths to be laid at the tomb. It was a proud moment for me as an American. As another reviewer wrote, 'the rows and rows of white tombstones helps you understand just how many have given their lives for our freedom.' That is so true!