December 15, 2016 on U.S. News Travel || No trip to the District of Columbia is complete without a visit to the National Mall. The site of presidential inaugurations, historic protest marches and a brand-new Smithsonian museum, this 2-mile-long grassy lawn that runs through the heart of the nation’s capital sees over 25 million visitors per year. Here, you’ll find the city’s iconic marbled monuments and museums. Plus, the White House and Capitol are steps away. If you’re visiting the city for the first time – or if you want to give your feet and camera a workout – plan on spending a day here. And if you’re short on time, check out these top sights and museums.