17 cathedrals visited by Andrew Ballera
Cathedral of St. Michael and St. Gudula
Cathedral of Trier
Cologne Cathedral
Frankfurt Cathedral
Karlskirche
Milan Cathedral
Munich Frauenkirche
Naples Cathedral
Notre Dame de Paris
Saint Stephen Cathedral
Saint Vitus Cathedral
Saint-Peters Basilica
St Mark's Basilica
St. John's Archcathedral
St. Peter's Basilica
