SRB5056387: Background buildings Louve, Sac and Brouette, Grand Place, Brussels, Belgium (photo) / Bridgeman Images

SRB5056390: Background buildings Louve, Sac and Brouette, Grand Place, Brussels, Belgium (photo) / Bridgeman Images

MES3469980: View of the nave, Basilica di San Nicola, Bari, Apulia, Italy (photo) / Bridgeman Images

MAE3469368: View of the cloister, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

SRB3584663: Troglodyte city Souzay-Champigny, Loire Valley, France (photo) / Bridgeman Images

SZT5179448: The Tharandt Castle in Tharandt, 1907 / Bridgeman Images

UTD2840061: Ruins of Wildenburg / Bridgeman Images

LFG3898571: Friday Mosque, Isfahan Province, Isfahan, Iran, 2015 (photo) / Bridgeman Images

MAE340684: View of the cloister (photo) / Bridgeman Images

HGP421411: Carew Castle, Wales (photo) / Bridgeman Images

MFI313646: Tintern Abbey, founded in 1131 (photo) / Bridgeman Images

HGP362720: Bamburgh Castle, Northumberland (photo) / Bridgeman Images

HGP362819: St. Patrick's Island and Peel Castle (photo) / Bridgeman Images

TRK697097: Dervish Tekke monastery, Yevpatoria, Autonomous Republic of Crimea, Ukraine (photo) / Bridgeman Images

HGP833596: West Tower, Ely Cathedral (photo) / Bridgeman Images

SLC878033: Spring at Salisbury Cathedral (photo) / Bridgeman Images

TRK879560: Italy. Milan. Cathedral. Gothic. 14th century. statues of the pinnacles. / Bridgeman Images

TRK879567: Italy. Milan. Cathedral. Gothic. 14th century. Exterior. Gargoyle. Fanastic animal. / Bridgeman Images

TRK880135: Exterior of Iljaz Mirahori Mosque. Korce. Albania. / Bridgeman Images

SRB3036778: Barcelona, Spain (photo) / Bridgeman Images

GRL6166259: View of the cloister and the cathedral with the bell tower (photo) / Bridgeman Images

UTD2875542: Remains of Moritzburg castle at Halle, Germany 1930s (b/w photo) / Bridgeman Images

UTD2875559: At the courtyard of Moritzburg castle at Halle, Germany 1930s (b/w photo) / Bridgeman Images

UTD2874691: City gate at Rothenburg ob der Tauber, Germany 1930s (b/w photo) / Bridgeman Images

UTD2864343: Dinkelsbuehl green tower, Germany 1930s (b/w photo) / Bridgeman Images

UTD2864345: Tower on the old city wall of Dinkelsbuehl, Germany 1930s (b/w photo) / Bridgeman Images

UTD2864357: Stairs to the battlement of Harburg castle, Germany 1930s (b/w photo) / Bridgeman Images

UTD2864635: A woman at old cannonballs at the old castle of Burghausen, Germany 1930s (b/w photo) / Bridgeman Images

UTD2868257: Archway to a courtyard at Waldeck castle in Hesse, Germany 1930s (b/w photo) / Bridgeman Images

GRL6372596: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): the aedicule of the prothyrum / Bridgeman Images

GRL6372629: Genoa, Duomo (St Lawrence Cathedral), the North side, the tower: mullioned window on the second order / Bridgeman Images

GRL6372653: Genoa, Duomo (St Lawrence Cathedral), the north side, portal of St John the Baptist (first half XII century), the jamb: detail of the decoration with eagle, by Lombardy and Como sculptors / Bridgeman Images

MEP943607: Christ in His Majesty in a Mandorla Supported by Angels and Apostles, by Unknown Artist, 12th - 13th Century, fresco / Bridgeman Images

GRL6372590: Genoa, Duomo (St Lawrence Cathedral, south side, the section between the bell tower and the doorway of St Gotthard: "St George and the dragon between St John the Baptist and St James the Great", XIV century, by Campionese sculptor / Bridgeman Images

TEC4578867: The city of Carcassonne (Aude). Medieval city restored in the 19th century by Eugene Viollet Le Duc (1814-1879). / Bridgeman Images

TEC4578920: The city of Carcassonne (Aude). Medieval city restored in the 19th century by Eugene Viollet Le Duc (1814-1879). / Bridgeman Images