Washington National Cathedral is an iconic church located in Washington, D.C.. Officially known as the Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, it serves as a prominent place of worship and a national landmark. Construction began in 1907 and was completed in 1990, showcasing stunning Gothic architecture and intricate stained glass windows. The cathedral is the sixth largest in the world and is known for its beautiful interior and exterior details, including over 200 stained glass windows. It hosts various events, including religious services, concerts, and national ceremonies, making it a significant cultural and spiritual center.