Guastavino's Monument

The Basilica of St. Lawrence features North America's largest self-supporting elliptical dome, based on the intricate tile work of Spanish-born architect and engineer Raphael Guastavino. Constructed of tiles and mortar, the dome measures 58 feet by 82 feet, a national treasure within this baroque revival church. Guastavino's arch and dome work can be found in Grand Central Station, Ellis Island Immigration Stations and Carnegie Hall, among other hundreds of American landmarks.