CLF320641: A bedroom at Snowshill Manor, Gloucestershire, from 'Country Houses of the Cotswolds' (b/w photo), English Photographer, (20th century) / Bridgeman Images

STF452371: View of a Roman bridge over the Koprucay River, near Aspendus, Turkey (photo) / Bridgeman Images

HGP1073005: Baconsthorpe Castle, 15th century Inner Gatehouse, Moat and inner Court, Norfolk, UK (photo) / Bridgeman Images

VLS938011: San Frediano, Lucca (photo) / Bridgeman Images

TRK697130: Byzantine Church of St. John the Baptist, Kerch, Autonomous Republic of Crimea, Ukraine (photo) / Bridgeman Images

TRK697285: Spain. La Rioja. Roman bridge of Cihuri over Tiron river. Rebuilt in the Middle Ages. / Bridgeman Images

MAE3469369: Detail of a carved capital, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

MAE3469378: View of an aisle, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

MAE3469380: View of a side chapel, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

MAE3469410: View of the choir windows, Soissons Cathedral, Nord-Pas-de-Calais-Picardie, Aisne, France (photo) / Bridgeman Images

MAE3469429: View of the altar, Eglise Saint-Ayoul de Provins, Ile-de-France, Seine-et-Marne, France (photo) / Bridgeman Images

TRK3514649: Visigoth church of Santa Comba, 7th century, Bande, Galicia, Spain (photo) / Bridgeman Images

TRK3514650: Visigoth church of Santa Comba, 7th century, Bande, Galicia, Spain (photo) / Bridgeman Images

GRL2655065: View of Palazzo Vecchio, Piazza della Signoria, Florence, Italy (photo) / Bridgeman Images

XIR694784: Mont Saint-Michel (photo), French Photographer, (20th century) / Bridgeman Images

HGP386944: Trim Castle (photo) / Bridgeman Images

TMA396263: Nunney Castle, Somerset (b/w photo) / Bridgeman Images

MAE340693: Collegiata de Sant Pere (photo) / Bridgeman Images

HGP355156: Criccieth Castle (photo) / Bridgeman Images

XIR360792: View of the interior of the chapel and the Danse Macabre fresco (photo) / Bridgeman Images

DGP421112: Alfred the Great, Trinity Church Square (photo) / Bridgeman Images

TRK3700994: Krak des Chevaliers, Built by knights Hospitaller, 12th cent, Walls, Syria, Before Civil War / Bridgeman Images

TRK3708209: Spain, Umayyad period, Medina Azahara (936-960) Andalusia. / Bridgeman Images

FBU5935169: Venitian fortress Castelfranco (1371-1374). / Bridgeman Images

FBU5935176: View over the inside of the Venitian fortress Castelfranco (1371-1374). / Bridgeman Images

BEN85069: Church of Saint Sofia, view of the west portico facade constructed under Archbishop Grigorios, 1313-17 (photo) / Bridgeman Images

BAT5472119: Chapelle des espagnols. Le triomphe de l'Eglise Catholique : La crucifixion. Fresque de Andrea Bonaiuto (ou Bonaiuti) dit Andrea da Firenze (1343-1377), 1365. Eglise Santa Maria Novella, Florence. ©Battaglini/Leemage / Bridgeman Images

HGP1111467: Priory Gatehouse, Castle Acre, Norfolk (photo) / Bridgeman Images

LLM2793648: Rufus Castle (engraving), English School, (19th century) / Bridgeman Images

LLM5208361: Construction of Murbach Abbey, near Guebwiller, Alsace (colour litho), Waltz, Jean-Jacques (Hansi) (1873-1951) / Bridgeman Images

OLA5343559: Milan, la Piazza del Duomo, cathédrale de la ville. photo Belluschi / Bridgeman Images

DSP3256371: Christ Church Cathedral, Dublin City, County Dublin, Ireland; Exterior Of Cathedral With Flying Buttress (photo) / Bridgeman Images

BMR225253: Chateau de Chantilly (pen & ink and w/c on paper), French School, (17th century) / Bridgeman Images

JB135561: Decani Monastery, 15km south of Pec, built c.1327-35 (photo) / Bridgeman Images

TRK831392: Spain. Castile-Leon. Coca. Coca Castle.15th century. Mudejar style. / Bridgeman Images

IBE5338564: Arches of the inner courtyard of the Abbasid Palace, Baghdad, Iraq, 1179-1225 (photo) / Bridgeman Images