Planning for the cathedral began under the authority of Archbishop Peter Richard Kenrick in the 1870s and 1880s, and a fund was created for the construction of the building by Archbishop 展开

The church basement contains a museum dedicated to the mosaics in the church as well as to some of the other artifacts found within the cathedral. Also in the church undercroft is a chapel dedicated to the souls of former leaders of the Archdiocese. Currently, 展开

The cathedral has a large organ that was originally built by Geo. Kilgen and Son, Inc., in 1915. Originally, the organ had two four-manual (keyboard) 展开

1. ^ Herbermann, p. 664
2. ^ "Cathedral Staff - Cathedral Basilica of Saint Louis". Archived from the original on 2018-03-17. Retrieved … 展开

In 1912, installation of mosaics in the interior began. Completed in 1988, the mosaics collectively contain 41.5 million glass tesserae pieces in more than 7,000 colors. Covering 83,000 … 展开

In 1999, a 14-foot high, welded stainless steel sculpture by Wiktor Szostalo was installed on the side lawn of the church. The sculpture was a gift from Adelaide Schlafly in memory of her late husband, Daniel Schlafly, a Catholic layman who was dedicated to the … 展开

• List of churches in the Roman Catholic Archdiocese of St. Louis
• List of Catholic cathedrals in the United States
• List of cathedrals in the United States
• List of tallest domes 展开