Gniezno Cathedral
Gniezno Cathedral stands on the hill of Lech, a church site since the 11th century, and the burial place of Saint Adalbert, patron saint of Poland. The cathedral that stood there, one of the most important in Poland, was a coronation church from the 11th to the 14th century. The current Gothic building dates back to the 14th century and since 1994 it has been on the list of historical monuments in Poland.