Catholic cathedrals in the United States List of cathedrals in the United States References External links Official Cathedral Site Byzantine Catholic Metropolia of Pittsburgh Ruthenian Catholic cathedrals in the United States Eastern Catholic churches in Pennsylvania Roman Catholic churches in Pennsylvania Pittsburgh History & Landmarks Foundation Historic Landmarks Churches in Allegheny County, Pennsylvania Rusyn-American culture in Pennsylvania Rusyn-American history Cathedrals in Pittsburgh Eastern Catholic cathedrals in Pennsylvania Church buildings with domes Churches completed in 1903 Churches completed in 1993