Ss. Peter and Paul's Jesuit Church

This building is the oldest, continuously operated church in the city of Detroit.

This church was originally built as the cathedral for the diocese of Detroit, it was then given to the Jesuit Order (Society of Jesus) to establish Detroit's first catholic univeristy in 1877.

The church is part of the University of Detroit-Mercy downtown campus complex. The university's law school lies directly adjacent to the church, though the main campus moved out of downtown Detroit in the early 20th Century.

The first major renovation of the church occured in 1892, when central heating and electric lighting was installed. The church woodwork was also completely replaced, including the pews and floors.

This is the only church building in the Archdiocese of Detroit that is not owned by them. The Jesuit still retain the title and the land that the church sits on.

The church was placed on the State of Michigan Historical Register on January 22, 1971, and on the National Register of Historic Places in September 3, 1971.

The three-story St. Catherine's Chapel was added to the church in 1918, and was originally used for daily mass and a school. It is now used as church office space, and living quarters for the pastor.

The church originally had a seating capacity of 1,000, but that was after multiple renovations to 7,000.

The church is designed in the form of a basilica, and is done in a toned-down Italian Renaissance (Romanesque Revival) style.