The Washington National Cathedral, also known as Cathedral Church of Saint Peter and Saint Paul, was built in 1907 and has a neo-Gothic design which is a mixture of the various Gothic designs in the Middle Ages. It has pointed arches, stained-glass windows and carved stones as decorations. It is the fourth-tallest structure in Washington DC and has the highest point as well which is the Gloria in Excelsis Tower at 676 ft above sea level.