WashingtonDCMallAerial-900

An aerial view of the National Mall in Washington, D.C., showing the Lincoln Memorial at the bottom, the Washington Monument at center, and the U.S. Capitol at the top. (Courtesy U.S. Navy)

An aerial view of the National Mall in Washington, D.C., showing the Lincoln Memorial at the bottom, the Washington Monument at center, and the U.S. Capitol at the top. (Courtesy U.S. Navy)