Lausanne Cathedral, officially known as the Cathedral of Notre Dame of Lausanne, is a stunning example of Gothic architecture located in Lausanne, Switzerland. Built between the 12th and 13th centuries, it is considered one of the most beautiful Gothic monuments in Europe. The cathedral features impressive stained glass windows, a grand rose window, and a richly decorated portal. It is also renowned for its unique tradition of a night watchman who still calls out the hours from the bell tower every night