JCH316147: The Crusader Castle of Krak des Chevaliers (photo) / Bridgeman Images

JCH316151: Detail of one of the bastions of the Crusader Castle of Krak des Chevaliers (photo) / Bridgeman Images

JCH316152: The Tower of the King's Daughter at the Crusader Castle of Krak des Chevaliers (photo) / Bridgeman Images

TRK1018115: Italy. Lucca. Cathedral of Saint Martin. Facade. / Bridgeman Images

SZT1076325: The Bratwurstglöcklein restaurant at the Moritz chapel opposite the Church of St. Sebald, Nuremberg, 1918 (b/w photo) / Bridgeman Images

HGP374052: Stone carving of a musician, Beverley Minster, East Riding, Yorkshire (photo) / Bridgeman Images

HGP809174: West front of priory church and Prior's Lodgings, Castle Acre Priory, Norfolk (photo) / Bridgeman Images

HGP809198: North Creake Abbey, Norfolk (photo) / Bridgeman Images

HGP809204: Erpingham Gate and Spire, Norwich Cathedral (photo) / Bridgeman Images

TRK831887: Finalnd. Turku. Castle. / Bridgeman Images

TRK831902: Finalnd. Turku. Castle. / Bridgeman Images

TRK831750: Italy. Milan. Cathedral. Gothic. 14th century. Exterior. Facade. / Bridgeman Images

TRK831889: Finalnd. Turku. Castle. / Bridgeman Images

TRK831899: Finalnd. Turku. Castle. / Bridgeman Images

TRK879558: Italy. Milan. Cathedral. Gothic. 14th century. Exterior. Detail. Facade. / Bridgeman Images

TRK879566: Italy. Milan. Cathedral. Gothic. 14th century. Exterior. Detail. Facade. Angel. / Bridgeman Images

XIR407832: View of the nave (photo) / Bridgeman Images

SAP479143: Superior Church, Monastery of San Juan de la Pena, Spain, 2009 (photo) / Bridgeman Images

SAP479145: San Martin Tower, Teruel, Spain, 2009 (photo) / Bridgeman Images

UTD2841543: Saint Valery sur Somme / Bridgeman Images

UTD2842261: The castle high above the city of Lourdes / Bridgeman Images

UTD2842622: A medieval tower, the Stortovet at the city of Oslo / Bridgeman Images

SRB3036780: Barcelona, Spain (photo) / Bridgeman Images

SRB3036781: Barcelona, Spain (photo) / Bridgeman Images

SRB3036783: Barcelona, Spain (photo) / Bridgeman Images

UTD2875680: View through an archway to the Dankwarderode castle, Germany 1930s (b/w photo) / Bridgeman Images

UTD2875692: View to the Dankwarderode castle at Braunschweig, Germany 1930s (b/w photo) / Bridgeman Images

LLM3093710: Meeting of Dante and Beatrice on the stairs of the Bargello in Florence (litho), Italian School, (20th century) / Bridgeman Images

LLM3094842: Carmel Priory Church, Cumbria (colour photo), English Photographer, (20th century) / Bridgeman Images

DSP3249901: Kilmacduagh Monastery, Gort, Co Clare, Ireland; Ruined Monastic Settlement (photo) / Bridgeman Images

DSP3250405: Delvin, Co Westmeath, Ireland, Delvin Castle (photo) / Bridgeman Images

DSP3250407: Fore Village, Co Westmeath, Ireland, Fore Abbey Ruin (photo) / Bridgeman Images

MAE3469365: Detail of a cloister relief (stone), French School / Bridgeman Images

MAE3469385: View of a side chapel vault, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

DSP3249481: Abbey, Co Westmeath, Ireland (photo) / Bridgeman Images

DSP3254423: Dublin,Co Dublin,Ireland;Shop Fronts In Temple Bar (photo) / Bridgeman Images