Head to Kolner Dom or Cologne Cathedral which is a Gothic church estimated to be built in 1248. Cologne Cathedral is the most visited church in Cologne and a prominent pilgrimage place. The impressive Gothic architecture and artwork of the church will leave you astounded. Displaying medieval Cologne paintings and German and French artwork, the Wallraf-Richartz Museum is another must-see in Cologne. Visit the Basilica of St. Cunibert which is an architectural gem in the city. This Catholic Church with its Romanesque architecture attracts several tourists year-round.