The most famous address in Washington, D.C., is 1600 Pennsylvania Avenue. The White House has been the home and the office of our country's presidents since 1792; only George Washington never lived there. The house has four main purposes. The East Wing is the home to the First Family. The President and staff have offices in the West Wing. Foreign heads of state are greeted here. Displays of items collected by each president serve as a history museum. Readers join a tour of the Executive Mansion as they read, growing to understand this symbol of freedom and democracy.