Original: Of neogothic design , it is the sixth largest cathedral in the world , the second largest in the United States , WNC : Facts and Figures and the fourth tallest structure in Washington , D.C./LOCATION. The cathedral is the seat of both the Presiding Bishop of the Episcopal Church and its bishop of the Diocese of Washington .
Simplified: Located in Washington , D.C. , the capital of the United States , it is the sixth largest cathedral in the world and second largest in the United StatesWNC : .