Interior of the dome and the papal altar, St. Peter's, The Vatican, Rome, Lazio, Italy, Europe

Papal Altar, interior of Santa Maria Maggiore Church, Rome, Lazio, Italy, Europe

Interior of St. Peter's, The Vatican, Rome, Lazio, Italy, Europe

Detail of the Altar of the Chair of St. Peter, within St. Peter's Basilica in Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Detail of the Papal Altar and Baldacchino, located in the central part of St. Peter's Basilica in Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Detail of the Papal Altar and Baldacchino, in the central part of St. Peter's Basilica in Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Benedictine monastery of St. Emmeram, St. Emmeram's Abbey, papal basilica, nave and high altar with a baroque interior by the Asam brothers, old town of Regensburg, Upper Palatinate, Bavaria, Germany, Europe

Benedictine monastery of St. Emmeram, St. Emmeram's Abbey, nave and high altar of the papal basilica with a baroque interior by the Asam brothers, Old Town of Regensburg, Upper Palatinate, Bavaria, Germany, Europe

St. Peter's baldachin, Bernini's baldachin above the papal altar of St. Peter's Basilica, Vatican City, Rome, Lazio region, Italy, Europe

St. Peter's baldachin, Bernini's baldachin above the papal altar on the crossing of St. Peter's Basilica, Vatican City, Rome, Lazio region, Italy, Europe