This large circular park sits above Pennsylvania Avenue and at it's center is a large statue of George Washington on his steed. The entire park is ringed by numerous benches on which locals, tourists and the homeless recline. Some yelpers have already added their take, but I copied the paragraph below from Google maps for more information.
Washington Circle is a traffic circle in the northwest quadrant of Washington, D.C., United States. It is located on the border of the Foggy Bottom and West End neighborhoods, which is a part of the Ward 2 section in Washington. It is the intersection of 23rd Street, K Street, New Hampshire Avenue, and Pennsylvania Avenue, N.W. The through lanes of K Street travel underneath the circle in a tunnel, while the service lanes intersect the circle. read more