Sharing some photos and thoughts on the making of... photography by: Dan Kaminski Blog Made with Xara Tuesday September 14  National Cathedral, Washington, D.C. The sixth largest cathedral in the world, the second largest in the United States, and the fourth tallest structure in Washington, D.C. Construction began on September 29, 1907, when the foundation stone was laid in the presence of President Theodore Roosevelt and a crowd of more than 20,000, and ended 83 years later when the last finial was placed in the presence of President George H. W. Bush in 1990. Main aisle, National Cathedral National Cathedral Previous