JCH316150: The Crusader Castle of Krak des Chevaliers (photo) / Bridgeman Images

MAE340593: The west facade (photo) / Bridgeman Images

MAE340706: View of the Alcazar of Segovia (photo) / Bridgeman Images

HGP407751: Grimsthorpe Castle and Gardens (photo) / Bridgeman Images

DSP3254336: Rock Of Cashel, Co Tipperary, Ireland; Landscape With The Rock Of Cashel In The Distance (photo) / Bridgeman Images

DSP3254429: Dublin,Co Dublin,Ireland;Shop Fronts In Temple Bar (photo) / Bridgeman Images

DSP3256276: County Waterford, Ireland; Reginald's Tower And Coningbeg Memorial (photo) / Bridgeman Images

DSP3256392: St Macnissi's College, Carnlough, Co Antrim, Ireland; Grammar School Also Known As Garron Tower (photo) / Bridgeman Images

XJF277663: The Hobby-Horse (engraving) (b/w photo), English School / Bridgeman Images

CLF294248: Brinsop Court (b/w photo), Evans, Frederick Henry (1853-1943) / Bridgeman Images

TRK558675: Novalesa Abbey. Chapel of Saint Eldrado and Saint Nicholas. Frescoes. Italy. / Bridgeman Images

TRK697273: Spain. Barbera del Valles. Church of Saint Mary. Romanesque. 12th century. Exterior. / Bridgeman Images

TRK831356: Saint John of Douro. Intertwined arches. Soria. Castile and Leon. Spain. / Bridgeman Images

TRK831900: Finalnd. Turku. Castle. / Bridgeman Images

TRK831901: Finalnd. Turku. Castle. / Bridgeman Images

TRK879557: Italy. Milan. Cathedral. Gothic. 14th century. Statue of the pinnacle. / Bridgeman Images

TRK879570: Italy. Milan. Cathedral. Gothic. 14th century. Exterior. Statue. Facade. / Bridgeman Images

LFG3898577: Man Reading A Pray On His Mobile Phone Inside The Friday Mosque, Isfahan Province, Isfahan, Iran, 2015 (photo) / Bridgeman Images

TRK697018: Tower of the Church of Saint Peter, Zumaia, Spain, 14th century (photo) / Bridgeman Images

TRK697076: Khachkar from St. Sergius Armenian Church, Feodosiya, Autonomous Republic of Crimea, Ukraine (photo) / Bridgeman Images

TRK697096: Dervish Tekke monastery, Yevpatoria, Autonomous Republic of Crimea, Ukraine (photo) / Bridgeman Images

PRZ703190: Upper Basilica of St. Francis of Assisi, Assisi, Italy (photo) / Bridgeman Images

PFH3614474: Italy: Bronze central entrance door, Cathedral of Saint Mary of the Assumption (Duomo di Siena), Siena / Bridgeman Images

PFH3614477: Italy: Saints and horse, facade right, Cathedral of Saint Mary of the Assumption (Duomo di Siena), Siena / Bridgeman Images

IMB4955244: Fortress above the historic town centre of Mithymna; Molyvos; Molivos; Lesbos; Aegean Sea; Greece; Europe / Bridgeman Images

POV1202550: Dover Castle on White Chalk Cliffs, Dover, Kent, UK (photo) / Bridgeman Images

TRK1018114: Italy. Lucca. Cathedral of Saint Martin. Facade. / Bridgeman Images

TRK1018136: Tower of the Cathedral of Saint Martin. 14th century. Utrecht. / Bridgeman Images

TRK2637104: Archivolt, Church of Santa Maria la Mayor, Valderrobre, Aragon, Spain (photo) / Bridgeman Images

HGP2629391: Choir and south transept of Rievaulx Abbey, Rye Valley, Ryedale, Yorkshire (photo) / Bridgeman Images

HGP2629393: Transepts and choir of Rievaulx Abbey, Rye Valley, Ryedale, Yorkshire (photo) / Bridgeman Images

SCN3249118: Ruins of the Bishop's Palace, Kirkwall, Orkney, Scotland (photo) / Bridgeman Images

MAE3469448: Cathédrale Saint-Etienne, Sens, Bourgogne, Yonne, France (photo) / Bridgeman Images

LLM5999054: High Altar, Westminster Abbey, London (photo), English Photographer, (20th century) / Bridgeman Images

HGP809175: West front of priory church and Prior's Lodgings, Castle Acre Priory, Norfolk (photo) / Bridgeman Images

HGP809176: Detail of Norman Romanesque west front, Castle Acre Priory, Norfolk (photo) / Bridgeman Images