Belleville walk

The Cathedral of Saint Peter is the mother church of the Roman Catholic Diocese of Belleville, located in Belleville, Illinois.The cathedral parish of Saint Peter was founded in 1842 at a location east of the present structure, and named after Saint Barnabas the Apostle; it was rededicated to Saint Peter in 1847.

The St. Clair County Courthouse is a government building in Belleville, the county seat of St. Clair County, Illinois, United States. Built in 1976, it is the fifth courthouse in the history of the county, and one of two that still stands.