UIG1569491: Mont-Saint-Michel and Mudflats in the Bay, as seen from the East, France (photo) / Bridgeman Images

SRB5056360: Background buildings Louve, Sac and Brouette, Grand Place, Brussels, Belgium (photo) / Bridgeman Images

GRL6372641: Genoa, Duomo (St Lawrence Cathedral), the north side, portal of St John the Baptist (first half XII century): the lunette, by Campionese and Antelami masters / Bridgeman Images

GRL6372631: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): left clustered column and jams, by “First Master” and “First Helper”, “Second Master” and “Second Helper” and “Third Helper” of the doorway of St Gotthard / Bridgeman Images

GRL6372597: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): the lunette / Bridgeman Images

GRL6372598: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): the lunette / Bridgeman Images

GRL6166254: View of the bell tower of the cathedral (photo) / Bridgeman Images

NCO833804: New College, plate 19 from 'Oxonia Illustrata' by David Loggon, Oxford 1675 (engraving), English School, (17th century) / Bridgeman Images

XCS5914745: All Saints Pavement, York (w/c and bodycolour on paper), Rayner, Louise Ingram (1832-1924) / Bridgeman Images

DNE6200193: The Coquet: Warkworth Castle from the road to Amble, c.1880 (etching), Slocombe, Edward (1850-1915) / Bridgeman Images

SGM466158: Hospital Gate Tower, Strasbourg (photo) / Bridgeman Images

DPS3254642: Statues In Christ Church Cathedral; Dublin, County Dublin, Ireland (photo) / Bridgeman Images

DPS3592427: Church at Niederkaufungen with climbing Wisteria, Kassel district, Germany (photo) / Bridgeman Images

STC129794: Eastnor Castle, from the 'John Piper 80th Anniversary Portfolio', pub. in 1983 (screenprint), Piper, John (1903-92) / Bridgeman Images

HIM5247984: Facade de l'Eglise du monastere en ruine du prieure de Castle Acre, region de Norfolk. Architecture du 12eme siecle. Photographie de 1997. . / Bridgeman Images

SZT5978828: Speyer Cathedral, Germany, 11-12th centuries (photo) / Bridgeman Images

DGA926037: (Unesco World Heritage List, 1997), Bell tower, Church of St John (13th century), Riga, Latvia / Bridgeman Images

DGA924732: Fountain of 99 Spouts (13th century), L'Aquila, Abruzzo, Italy, Detail of mask / Bridgeman Images

DGA754495: Castle and soldiers, detail from celebration of military glories of Castelbarcos, fresco, , Castle of Avio, Sabbionara d'Avio, Trentino-Alto Adige, Italy, 14th century / Bridgeman Images

DGA755963: Saint Benedict's Vestition by the Roman Abbot, detail from Stories of Saint Benedict, by Consolo or Magister Consolus, fresco, 13th century / Bridgeman Images

DGA911466: Banquet scene, 14th century fresco by unknown artist, Magistrate Palace Palazzo Pretorio, Former Castle of Counts Guidi, Poppi, Tuscany, Italy / Bridgeman Images

DGA914345: Rhea Silvia between the jailers, detail from fresco cycle Stories of Romulus and Remus, by Gentile da Fabriano (ca 1370-1427) and collaborators / Bridgeman Images

DGA557670: Italy, Friuli-Venezia Giulia region, Aquileia, mural depicting Life of St. Ermagora and Sts. Peter and Mark, in Crypt of the Patriarchal Basilica of Aquileia / Bridgeman Images

DGA518689: Italy, Lombardy, Como, Church of Sant'Abbondio, apse, allegorical portrait with Saint John as eagle, fresco / Bridgeman Images

UDK839874: Great Britain, England, North Yorkshire, York, Stonegate, Red Devil facade detail. / Bridgeman Images

DGA910015: Historiated capital from cloister, Collegiate Church of Sts Peter and Orso (12th century), Aosta, Valle d'Aosta, Italy / Bridgeman Images

DGA910862: Detail of caryatids supporting baptismal font, Cathedral of Ischia Ponte, Ischia, Campania, Italy / Bridgeman Images

DGA541502: Spain, Castile-Leon, avila, Basilica of San Vicente, Romanesque style / Bridgeman Images

DGA541666: Spain, Castile-La Mancha, Guadamur, Guadamur castle / Bridgeman Images

DGA510056: Joshua witnessing the destruction of the walls of Jericho, miniature from he Bible of St John XXII, Latin manuscript from the Palace of the Popes of Avignon, folio 1142 recto, France 15th Century. / Bridgeman Images

EHT3620006: Interior view of the porch, St Mary's Church, Kempley, Gloucestershire, 2010 (photo) / Bridgeman Images

DGA756191: Madonna with Child between St John and a Saint, 14th century fresco in Church of Monastery of St Scholastica, Subiaco. Italy, 14th century / Bridgeman Images

DGA1139405: Spain, Castilla y Leon, Aerial view of Segovia with Segovia Cathedral (photo) / Bridgeman Images

DGA771498: Saturn,ruler of the signs of Aquarius and Capricorn,miniature,Cristoforo de Predis (1440-before 1486) from the astrological book De Sphaera,latin script,folio 5,verse,parchment,ca 1470,Detail,Italy,15th century / Bridgeman Images

DGA763560: Landlord's family, detail from Triumph of Cross, mosaic from medallion of apse, Basilica of St Clement, Rome, Italy, 12th century / Bridgeman Images

DGA551606: A luthier, sculptural decoration of the corner pillar of a house in the 12th century Cluny, France. / Bridgeman Images