Camp David in 1935 and was completed in 1938. In 1942, President Franklin D. Roosevelt converted it to a presidential retreat and renamed it "Shangri-La" (for the fictional Himalayan paradise in the 1933 novel "Lost Horizon" by British author James Hilton, which he had jokingly referenced as the source of the Doolittle Raid earlier that year). Camp David received its present name from Dwight D. Eisenhower, in honor of his father and grandson, both named David. The Catoctin Mountain Park does not indicate the location of Camp David on park maps due to privacy and security concerns, although it can be seen
Dwight D. Eisenhower are part of the Presidential Medal of Appreciation Award Medal Series. The Interstate Highway System is officially known as the "Dwight D. Eisenhower National System of Interstate and Defense Highways" in his honor. It was inspired in part by Eisenhower's own Army experiences in World War II, where he recognized the advantages of the autobahn system in Germany. Commemorative signs reading "Eisenhower Interstate System" and bearing Eisenhower's permanent 5-star rank insignia were introduced in 1993 and now are displayed throughout the Interstate System. Several highways are also named for him, including the Eisenhower Expressway (Interstate 290) near Chicago. the Eisenhower