You needn't be religious to appreciate the tranquil atmosphere of St. Marys Cathedral and Prignitz museum. Look up when the next mass starts or when it's open for general viewing.
This principal church in Havelberg comes recommended by fellow travelers, so make a spot for it on your to-do list. However, your day doesn't end there. There are loads more spots waiting for you to appreciate after St. Mary's Cathedral and Prignitz museum. Havelberger Dom St. Marien, and Sandau Church are close by.