SHD1935318: Basilica of Saint Denis, 2007 (photo) / Bridgeman Images

DNA3798217: Facade of the church of the Grac?anica Monastery (photo) / Bridgeman Images

LRI4680910: Great Zimbabwe: walls, 10th-15th centruy / Bridgeman Images

DSP3503832: Saint Audeon's Church, Co Dublin, Ireland; 12Th Century Church Of Ireland (photo) / Bridgeman Images

XLF3782949: Circus and Hippodrome of Christian Constantinople, illustration of the 'Imperium Orientale', for 'Cassell's History of England, Vol. I', 1898 (engraving), English School, (19th century) / Bridgeman Images

DNA3798238: Fresco in the vault of the nave of the Patriarchate of Pec (photo) / Bridgeman Images

TEC4622608: The gargoyles of the Hotel de Cluny in Paris. One of the most beautiful monuments of medieval civil architecture in Paris elevated to the iniative of the Abbes of Cluny by Jacques d'Amboise (around 1440 or 1450-1516), brother of the cardinal minister. Restores after the ransacks of the Revolution, it now houses collections of sculptures and art objects from the Middle Ages. Renovated since 1991, the National Museum of the Middle Ages Thermes de Cluny. / Bridgeman Images

HGP362454: Great Hospital Almshouses (photo) / Bridgeman Images

FAF3564441: Busy view of the countryside near Populonia. In the background the medieval fortress / Bridgeman Images

FBU4249501: San Giminiano. Medieval village. Tuscany, Italy - Medieval Village of San Giminiano. Tuscany Italy / Bridgeman Images

HGP327903: Medieval minstrels (painted stone), English School / Bridgeman Images

TRK831577: Bell tower of the Basilica of Saints John and Paul. 11th century. Rome. / Bridgeman Images

TRK831890: Finalnd. Turku. Castle. / Bridgeman Images

TRK831898: Finalnd. Turku. Castle. / Bridgeman Images

LLE816980: The Cloth Hall, Ypres, Belgium (b/w photo), Belgian Photographer, (20th century) / Bridgeman Images

HGP809189: The Slipper Chapel, Houghton St Giles, Norfolk (photo) / Bridgeman Images

HGP809205: Erpingham Gate, Norwich Cathedral (photo) / Bridgeman Images

TRK1018137: Tower of the Cathedral of Saint Martin. 14th century. Utrecht. / Bridgeman Images

TRK1031049: Syria. Great Mosque of Damascus. Interior. / Bridgeman Images

SAP479142: Superior Church, Monastery of San Juan de la Pena, Spain, 2009 (photo) / Bridgeman Images

HGP421421: Grosmont Castle (photo) / Bridgeman Images

SAP479060: Belmonte Castle, Cuenca Province, Spain, 2007 (photo) / Bridgeman Images

SLC878010: Salisbury Cathedral Chapter House (photo) / Bridgeman Images

SLC878040: The West Front of Salisbury Cathedral (photo) / Bridgeman Images

TRK1152107: Rome. Basilica of Saint Mary in Cosmedin. Bell tower. / Bridgeman Images

UTD2875630: The old city hall of Magdeburg, Germany 1930s (b/w photo) / Bridgeman Images

SCN3249102: View of the Old Catholic Cathedral, Brescia, Italy (photo) / Bridgeman Images

DSP3253734: Dublin,Co Dublin,Ireland;View Of Christchurch Cathedral From Corporation Offices (photo) / Bridgeman Images

LLM3094951: Oldest House, Winchester (b/w photo), English Photographer, (20th century) / Bridgeman Images

MAE3469367: View of the cloister, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

HGP2629362: Fountains Abbey viewed from the West, near Ripon, Yorkshire (photo) / Bridgeman Images

HGP2629389: Choir and south transept of Rievaulx Abbey, Rye Valley, Ryedale, Yorkshire (photo) / Bridgeman Images

HGP2629396: Rievaulx Abbey, Rye Valley, Ryedale, Yorkshire (photo) / Bridgeman Images

ARD2524427: Palazzo Abatellis, Regional Gallery of Sicily, Palermo, Sicily (photo) / Bridgeman Images

ARD2524601: Palazzo Abatellis, Regional Gallery of Sicily, Palermo, Sicily (photo) / Bridgeman Images

XIR245767: View of the Chapelle Saint-Aubert, 13th-14th century (photo), French School / Bridgeman Images