Washington National Cathedral
Washington National Cathedral cornerstone was laid in 1907. Construction was completed on this day in 1990. The building was damaged by the August 23, 2011, earthquake; repairs are still being made. The cathedral boasts 288 angels, 112 gargoyles, and 215 stained glass windows. At least 220 people are interred there, including Helen Keller, Ann Sullivan, and President Woodrow Wilson and his wife Edith. Children can learn more at: National Cathedral.