Sts. Peter and Paul Parish

Historical marker location:

1919 S 7th St, Saint Louis, Missouri

( Marker is at the intersection of South 7th Street and Geyer Avenue, on the right when traveling north on South 7th Street.)

Founded 1849

The Missouri State Penitentiary, located in Jefferson City, was once the oldest operating prison west of the Mississippi River. It opened in 1836 and closed in 2004.