Austria Vienna St. Stephen’s Cathedral Bulgaria Sofia Alexander Nevsky Cathedral Croatia Split Cathedral of Saint Domnius Zagreb St. Mark’s Square France Dijon Église Notre-Dame Saint Michael Laon Chapel of the Templars of Laon Laon Cathedral Paris Notre-Dame de Paris Sacré-Coeur Reims Cathedral of Notre-Dame of Reims Strabourgh Cathedrale Notre Dame de Strasbourg Germany Berlin Kaiser Wilhelm Memorial Church Munich Frauenkirche Trier Liebfrauenkirche St. Peter’s Cathedral Hungary Budapest Matthias Church St. Stephen’s Basilica Serbia Belgrade Church of Saint Sava Spain Cordoba Mosque-Cathedral of Córdoba Seville Catedral de Sevilla Switzerland Lausanne Cathedrale de Lausanne United Kingdom Cambridge Great St Mary’s, the University Church King’s College Chapel The Round Church Durham Durham Cathedral Lincoln Lincoln Cathedral: A Timeless Gothic Masterpiece Peterbotrough Peterborough Cathedral Rothbury All Saints Vietnam Hanoi St. Joseph’s Cathedral Saigon Notre-Dame Cathedral Basilica of Saigon