20 cathedrals visited by Po11y
Berlin Cathedral
Cathedral of Our Lady
Cathedral of Santa Maria del Fiore
Cathedral of St. Michael and St. Gudula
Cathedral of the Immaculate Conception
Cologne Cathedral
Dormition of the Mother of God Cathedral, Varna
Duomo di Verona
Frankfurt Cathedral
Holy Trinity Cathedral of Tbilisi
Kazan Cathedral
Milan Cathedral
Pisa Cathedral
Saint Isaac Cathedral
Saint Stephen Cathedral
Saint-Peters Basilica
St. Peter's Basilica
Strasbourg Cathedral
