First time n Washington D.C? We suggest to head to the national Mall which is located in downtown washington. With a 2 mile span, the national park is the most visited area of the city thanks to the many museums and monuments that are located within. Need some ideas? what about the Lincoln memorial?, Jefferson memorial? or the specially dedicated monuments to World War 2 and the Vietnam and Korean wars. You can also find the natural history museum, the air and space museum, the national gallery of art and many more, a helpful tip to know is that all the museums are free to enter..If you visit the city with kids then you will be happy to hear that among the many other free attractions in DC you also have the national zoo!