http://en.wikipedia.org/wiki/Boston_metropolitan_areaGreater Boston encompasses many significant locations in American history and culture. Examples include the Paul Revere House, the Old North Church, the Old Granary Burying Ground, the site of the Boston Tea Party and that of the Battle of Bunker Hill, the USS Constitution, Lexington and Concord, Walden Pond, the site of the Salem witch trials, and the Christian Science Mother Church. Former Presidents John Adams and John Quincy Adams were born in Quincy, Massachusetts, as was John Hancock. Frederick Douglass began his career as an abolitionist in Boston. Former President John F. Kennedy was born in Brookline, Massachusetts. Former President George H. W. Bush was born in Milton. Malcolm X spent a significant part of his young adulthood in Roxbury, and joined the Nation of Islam while in prison in Charlestown. The National Archives has a regional center in Waltham. Phillips Academy, the country's premier prep school, is located in Andover, and boasts alumni as famous as former Chief Justice of the United States Oliver Wendell Holmes, Jr. and former U.S. President George H. W. Bush.