The White House is the official residence and workplace of the President of the United States. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., it serves as a symbol of the U.S. government and is recognized worldwide. The building features neoclassical architecture and has been the residence of every U.S. president since John Adams in 1800. The White House consists of several rooms, including the Oval Office, where the president conducts official business. It also has a kitchen, dining room, and various meeting spaces. The surrounding grounds include gardens and a lawn, which are often used for public events and ceremonies.