The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, operated under the more familiar name of Washington National Cathedral, is a cathedral of the Episcopal Church located in Washington, D.C., the capital of the United States. Of neogothic design closely modeled on English Gothic style of the late fourteenth century, it is the sixth-largest cathedral in the world, the second-largest in the United States,[3] and the highest as well as the fourth-tallest structure in Washington, D.C.