The White House, with its iconic neoclassical architecture, has been the official residence and workplace of every president of the United States since John Adams in 1800. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., it serves not only as a home to the president and their family but also as a symbol of the American presidency to the nation and the world. The building has been the site of many historical decisions and events that have shaped the course of American history.