Fountain and terrace of the Pope's Palace in Viterbo, Lazio, Italy, Europe

Palace of the Popes, Avignon, UNESCO World Heritage Site, Vaucluse, Provence-Alpes-Cote d'Azur, France, Europe

Ruins of the Chateau des Papes at the town of Chateauneuf-du-Pape, Provence, France, Europe

Papal Palace, Palais des Papes, and Notre Dame des Doms Cathedral, Avignon, Vaucluse, Provence-Alpes-Cote d'Azur, Rhone valley, Provence, France, Europe

Potraits of the Popes in the Palais des Papes, Pope's Palace, in Avignon, Provence, France, Europe

St. Peters Square and Apostolic Palace at night, Vatican City, Rome, Latio, Italy, Europe

Palacio del Papa Luna (Pope Benedict XIII), Illueca, Zaragoza Province, Aragon, Spain, Europe

Saint Benezet bridge, Papal Palace, Palais des Papes, and Notre Dame des Doms Cathedral at dusk, Avignon, Vaucluse, Provence-Alpes-Cote d'Azur, Rhone valley, Provence, France, Europe

Ceiling fresco, coat of arms of Cardinal Alessandro Farnese, later Pope Paul III., entrance hall of the palazzo in Fortezza, Villa Farnese, Caprarola, Lazio, Italy, Europe

Palais des Papes, Palace of the Popes, Avignon, France, Europe

San Lorenzo cathedral, Viterbo, Lazio, Italy

Vatican Museum and the Sistine Chapel, Italy, Rome, Vatican City

Vatican Palace, Italy, Rome, Vatican City