St. Rambentus Church is located in the old town, once called the Church of Düsseldorf's mother, locals also called it the Cathedral. It is one of the city landmarks of Düsseldorf. It was built in 1394 and the church is free for people to visit. There are many monuments and famous paintings in it, and there are many stories of jade carvings on the wall. It is a very distinctive church. Locals also often worship and confess here.