The United States White House refers to the executive residence and office of the President of the United States, located at 1600 Pennsylvania Avenue NW in Washington, D.C. It is a symbol of the American presidency and federal government, featuring neoclassical architectural elements designed by Irish-born architect James Hoban. Construction began in 1792 and was completed in 1800 under President John Adams, who moved into the White House upon its completion. The building serves as a venue for state functions and ceremonies, including the annual presidential turkey pardon and the lighting of the National Christmas Tree. The White House complex also houses offices for the President’s Cabinet and staff members, as well as a few museums open to the public.