St. Peter's Church was originally built as a single-nave church but with Christian IV's addition of the northern and southern transepts, it received the cruciform layout which characterizes it today. Most of the church, including the nave, the choir and the lower part of the tower, dates back to the middle of the 15th century.[5] The main entrance is located in the southern transept and is marked by a richly carved Baroque portal from 1731, carved by the sculptor Diderik Gercken. The spire from 1756 to 1757 is built in the Rococo styleto the design of carpenter