Cupola ceiling in St. Peter's Basilica by Michelangelo Buonarroti, Dome by Michelangelo Buonarroti, Domenico Fontana, Giacomo della Porta dating from between 1546 and 1590, Rome, Lazio, Italy, Europe

Detail of the dome of St. Peter's Basilica, built by Michelangelo Buonarroti, completed by the architect Giacomo della Porta, within St. Peter's Basilica, Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Detail of the dome of St. Peter's Basilica, built by Michelangelo Buonarroti, completed by the architect Giacomo della Porta, St. Peter's Basilica, Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Neptune fountain, Piazza Navona square, Rome, Lazio, Italy, Europe

Low angle interior view of the dome of St. Peter's Basilica in Vatican City, Rome.