The church can be visited
St. Peter's Church

St. Peter's Church in Rostock, Mecklenburg-Vorpommern, is the oldest and tallest of the Hanseatic city's historic churches. As an example of North German Brick Gothic, it has shaped the cityscape and today serves as a landmark.
History+
As early as 1300, a first church building stood on this site, with origins dating back to 1252. This three-aisled building, whose walls were partly made of granite, was the predecessor of the current church. In the mid-14th century, a three-aisled basilica was erected on the same site in the Brick Gothic style. Around 1500, it received an approximately 127-meter-high tower, which was destroyed by lightning in 1543. After a reconstruction until 1578, which was temporarily affected by storms, the tower reached a height of 117 meters. Extensive renovations took place in 1902. In April 1942, St.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: https://commons.wikimedia.org/wiki/File:Petrikirche_mit_Stadtmauer-3.jpg
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 54.0906, 12.1479