Europe

The Pope's residence was established in the bishop's palace which, for the occasion, it was enlarged and adapted to the magnificence and solemnity required for a papal seat. http://www.canino.info/inserti/tuscia/luoghi/palazzo_papi_viterbo/

The Basilica di Santa Maria Maggiore is one of the four Papal basilicas of Rome, together with Saint Peter, Saint John in the Lateran and Saint Paul Outside the Walls. https://civitavecchia.portmobility.it/en/basilica-di-santa-maria-maggiore

The Parco dei Mostri (Park of Monsters) of Bomarzo, a large park with gardens, buildings and fantastic sculptures, is a fun and different excursion, one that also inspired Salvador Dalì; meanwhile, the ancient village of Montecalvello develops around a castle where the famous Balthus, a contemporary painter, lived for thirty years. http://www.italia.it/en/discover-italy/lazio/viterbo.html