In order:
1. The Basílica de la Sagrada Família in Barcelona
2. Saint Peter’s Basilica in Vatican City
3. Notre-Dame Cathedral in Paris
4. The Duomo di Milano
5. Cologne Cathedral, Germany
6. Santa Maria del Fiore (Cathedral of Florence)
Florence, Italy
Never been to:
Nidaros Cathedral, Norway
Santiago de Compostela Cathedral
Galicia, Spain
Winchester Cathedral
Winchester, England
Cathedral Church of Saint Peter and Saint Paul (Washington National Cathedral)
Washington D.C., United States