Many of the city's architecturally

Many of the city's architecturally significant buildings have been listed on the National Register of Historic Places; the city has one of United States' largest surviving collections of late 19th- and early 20th-century buildings. Architecturally significant churches and cathedrals in the city include St. Joseph's, Old St. Mary's, the Sweetest Heart of Mary, and the Cathedral of the Most Blessed Sacrament.
The city has substantial activity in urban design, historic preservation, and architecture. A number of downtown redevelopment projects—of which Campus Martius Park is one of the most notable—have revitalized parts of the city. Grand Circus Park stands near the city's theater district