PC991737: East end of the nave and apse with Christ, saints and Pope Gregory IV, Basilica di San Marco, Rome, Italy (photo) / Bridgeman Images

PC991756: Leah, from the tomb of Julius II, 1515 (marble), Buonarroti, Michelangelo (1475-1564) / Bridgeman Images

PC991762: Nave ceiling with the Miracle of the Chains, 1706 (fresco), Parodi, Giovanni Battista (1674-1730) / Bridgeman Images

PC991764: View of the Tomb of Cardinal Cinthio Aldobrandino, Rome, Italy (photo) / Bridgeman Images

PC991779: The Martyrdom of St Peter (fresco), Roncalli, Cristoforo (c.1553-1626) & Tempesta, Antonio (1555-1630) / Bridgeman Images

PC991802: A variation on the Joys (and Sorrows) of the Virgin Mary: Annunciation, Flight into Egypt, Presentation, Via Crucis, Crucifixion, Deposition, Entombment / Bridgeman Images

PC991806: Cosmati pavement / Bridgeman Images

PC991808: Cosmati pavement / Bridgeman Images

PC991815: Cosmati pavement / Bridgeman Images

PC991825: Scene from the life of Emperor Constantine and St Sylvester / Bridgeman Images

PC991826: Scene from the life of Emperor Constantine and St Sylvester / Bridgeman Images

PC991828: Scenes from the history of Constantine and St Sylvester including the Baptism of Constantine / Bridgeman Images

PC991830: Emperor Constantine presenting his imperial tiara to Pope Sylvester, giving him rule over Rome, west wall of the Chapel of San Silvestro, 1246 (fresco) / Bridgeman Images

PC991831: Pope Sylester returns: Scene from the life of Emperor Constantine and St Sylvester / Bridgeman Images

PC991832: Three Mounted Messengers Ride Towards Mount Soratte in Search of the Pope, from the cycle of the life of Constantine / Bridgeman Images

PC991836: mosaic / Bridgeman Images

PC991844: The dome: mosiacs by Giuseppe Cesari, known as Cavalier d'Arpino c.1620 / Bridgeman Images

PC991846: St Mark: / Bridgeman Images

PC991847: Pavement detail / Bridgeman Images

PC991852: Panel from 5C door: the resurrected Christ appears to his disciples / Bridgeman Images

PC991861: Dome / Bridgeman Images

PC991863: Panel from 5C door: Christ appears to the Holy Women at the tomb / Bridgeman Images

PC991867: Panel from 5C door: the Holy Women at the empty tomb / Bridgeman Images

PC991868: Panel from 5C door: the Exodus: Pharaoh's soldiers drown in the Red Sea: Aaron's serpent / Bridgeman Images

PC991869: Panel from 5C door: the Exodus: Pharaoh's soldiers drown in the Red Sea: Aaron's serpent / Bridgeman Images

PC991880: Panel from 5C door: Christ with two disciples / Bridgeman Images

PC991887: The apse mosaic with (l. to r.) the donor Pope Paschal I with St Cecilia, St Paul, Christ, St Peter, St Valerian, St Agatha / Bridgeman Images

PC991899: The nave / Bridgeman Images

PC991906: The Virgin & Child / Bridgeman Images

PC991908: Cosmatesque pulpit / Bridgeman Images

PC991913: Side chapel conche (modern frescos) and transennae windows / Bridgeman Images

PC991916: Cosmati pavement / Bridgeman Images

PC991917: Cosmati pavement / Bridgeman Images

PRX997444: Spices (coloured engraving), German School, (19th century) / Bridgeman Images

PRX997452: The Seven Wonders of the World (coloured engraving), German School, (19th century) / Bridgeman Images

PRX997456: Chinese rhubarb (coloured engraving), German School, (19th century) / Bridgeman Images