Mayer is a census-designated place (CDP) in Yavapai County, Arizona, United States. The population was 1,408 at the 2000 census. Mayer includes three sites listed on the National Register of Historic Places: Mayer Apartments, Mayer Business Block, and Mayer Red Brick Schoolhouse.
Camp David is a rural retreat of U.S. presidents in northern Maryland. It is located in Catoctin Mountain Park on a spur of the Blue Ridge Mountains. Camp David lies just west of Thurmont and 64 miles (103 kilometers) northwest of Washington, D.C.
In 1942, 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). Camp David received its present name from Dwight D. Eisenhower, in honor of his father and grandson, both named David. Catoctin Mountain Park does not indicate the location of Camp David on park maps due to privacy and security concerns.