A stunning Gothic masterpiece in the heart of Washington, D.C., Washington National Cathedral is a house of prayer for all people and a site of national significance. The sixth-largest cathedral in the world, it has hosted presidential funerals, historic sermons, and national memorials, including Dr. Martin Luther King Jr.’s final Sunday sermon. Founded in 1907 and completed in 1990, the Cathedral features breathtaking architecture, stained glass windows, and panoramic city views.