TRK831570: Archbasilica of Saint John Lateran. Cloister. / Bridgeman Images

TRK831573: Archbasilica of Saint John Lateran. Cloister. / Bridgeman Images

DSP3254407: Grey Abbey, Co Down, Ireland; 12Th Century Cistercian Abbey (photo) / Bridgeman Images

SKD405728: Doorway in Meissen, 1827 (oil on canvas), Friedrich, Caspar David (1774-1840) / Bridgeman Images

LLM3626729: Tomb and chantry of William of Wykeham, founder of New College, Oxford, in Winchester Cathedral (engraving), Essex, R. (fl.1828) (after) / Bridgeman Images

BCC423476: Iconostasis (photo) (see also 423468) / Bridgeman Images

RTG5948755: Castellaneta, Taranto, Puglia, Italy, The Medieval Church of Santa Maria Assunta, also known as Santa Maria del Pesco, on the edge of the “Grande” ravine of Castellaneta. Madonna and Child, 13th century fresco (photo) / Bridgeman Images

DSP3249377: Trim Castle, Co. Meath, Ireland (photo) / Bridgeman Images

DSP3503435: Carrickfergus Castle, And Harbour, Co Antrim, Ireland (photo) / Bridgeman Images

TRK6356044: Spain, Castile-Leon, Portillo, Portillo Castle or Castle of the Counts of Benavente, It was built between the 14th and 15th centuries, View of the tower / Bridgeman Images

GRL6372549: Genoa, Duomo (St Lawrence Cathedral), West side, the façade, the main doorway, left jamb, corbel: "Ecclesia feeding the Apostles Peter and Paul and two angels", by Master of the Ark of the Baptist, about 1225 / Bridgeman Images

GRL5974100: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974128: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

LIS2651715: Study for The Founding of Prittlewell Priory (oil on panel), Sorrell, Alan (1904-74) / Bridgeman Images

SGM468272: View of Reims Cathedral and equestrian statue of Joan of Arc, France (photo) / Bridgeman Images

UTD2865239: The cross on the main market in front of councilman's inn at Trier, Germany 1930s (b/w photo) / Bridgeman Images

LLM972726: Inspecting the 14th Century roof of the Great Hall of Westminster, London (engraving), Macpherson, Douglas (1871-1951) (after) / Bridgeman Images

DSP3254399: St Selskar's Abbey, Wexford, Co Wexford, Ireland; 12Th Century Abbey (photo) / Bridgeman Images

FLO4702909: Medieval weapons: Dull swords or kolben for the Kolbenturnier 302, pike 303, halberd 304, partisan 305, wooden battle hammer 306, iron battle hammer 307, lance with crooked spike 308, various swords 309-312, and daggers 313,314. Handcoloured copperplate engraving from Robert von Spalart's Historical Picture of the Costumes of the Principal People of Antiquity and of the Middle Ages. / Bridgeman Images

MAA2956831: The Lady Chapel and Apse of Bourges Cathedral, 1899 (w/c on paper), Rooke, Thomas Matthews (1842-1942) / Bridgeman Images

HGP440054: Entrance to the Quadrangle, King's College, Old Aberdeen (photo) / Bridgeman Images

IMB4920539: Palace of Diocletian Croatia - Historic city of Split, Diocletian Palace, Dalmatia, Croatia, Europe / Bridgeman Images

IMB4920559: Palace of Diocletian Croatia - Historic city of Split, Diocletian Palace, Dalmatia, Croatia, Europe / Bridgeman Images

GRL5974081: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974083: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974086: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo), Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974098: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974099: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974104: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

GRL5974156: The "Capital of the Judge" or "of the Upright Judge and of the Corrupt Judge", work by Campionesi masters, XII - XIII century, Torresani Hall, Ghirlandina Tower, Modena, Italy (photo) / Bridgeman Images

USB393176: The east, or entrance, front of Croft Castle (photo) / Bridgeman Images

DSP3503404: Ulster History Park, Co Tyrone, Ireland; Round Tower And Crannog (photo) / Bridgeman Images

DSP3249396: Rock Of Cashel, Cashel, Co. Tipperary, Ireland (photo) / Bridgeman Images

DSP3254313: Lusk Monastery, Co Dublin, Ireland; 5Th Century Monastic Site (photo) / Bridgeman Images

SRB3738348: Bicycle in front of a Old Customs House in the Mizingani Road, Stone Town, Zanzibar, Tanzania, Africa (photo) / Bridgeman Images

SAP491862: Pena National Palace, Sintra, Portugal (photo) / Bridgeman Images