DGA646329: Spain, Castile and Leon, Ruins of Berlanga de Duero Castle / Bridgeman Images

DGA646407: Spain, Navarre, Olite, Santa Maria la Real Church, Tympanum decorated in relief / Bridgeman Images

ELS9136448: Cathedral, Cologne, Germany (photo), Lessing, Erich (1923-2018) / Bridgeman Images

JB24676: Interior detail, Cardiff Castle, South Wales (photo) / Bridgeman Images

DNA3798226: Narthex of the churches of the Patriarchate of Pec (photo) / Bridgeman Images

FBU8617837: Statue of Saint James the great, 14th century (sculpture) / Bridgeman Images

DPS3503548: Castle Roche, Co Louth, Ireland; 13Th Century Norman Castle (photo) / Bridgeman Images

DPS3503698: Leamcon Castle, Co Cork, Ireland; Castle Built In 1460 Near Schull (photo) / Bridgeman Images

DGA757023: Gonzaga Chapel 14th-century fresco, Church of San Francesco, Mantua, Italy, 14th century / Bridgeman Images

STF452189: Sigmundskron castle, near Bozen (Bolzano), Italy (photo) / Bridgeman Images

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

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

UIG1566391: Passage Along the Cloister in the Mainzer Dom (Mainz Cathedral Or St. Martin's Cathedral), Mainz, Germany (photo) / Bridgeman Images

UIG1566437: Porta Nigra Roman Gateway, Trier, Rhineland-Palatinate, Germany (photo) / Bridgeman Images

UIG1566253: The Great Coastal Gate, Tallinn, Estonia (photo) / Bridgeman Images

UIG1566402: Virgin and Child Statue on A Half-Timbered House on the Kirschgarten, Mainz, Germany (photo) / Bridgeman Images

UIG1566393: Passage Along the Cloister in the Mainzer Dom (Mainz Cathedral Or St. Martin's Cathedral), Mainz, Germany (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

UIG1565139: Pilgrim's Pulpit at St. Stephen's Cathedral, Vienna (Wien), Austria (photo) / Bridgeman Images

UIG1565015: St. Sofia Church, Sofia, Bulgaria (photo) / Bridgeman Images

UIG1565131: Interior of St. Stephen's Cathedral, Vienna (Wien), Austria (photo) / Bridgeman Images

UIG1566447: Porta Nigra Roman Gateway, Trier, Rhineland-Palatinate, Germany (photo) / Bridgeman Images

UIG1566325: Crucifix in the Old Town of Tallinn, Estonia (photo) / Bridgeman Images

UIG1566296: People in Front of the Viru Gate at Tallinn, Estonia (photo) / Bridgeman Images

UIG1566806: Sculpture on the Facade of St. Vitus Cathedral, Prague, Czech Republic (photo) / Bridgeman Images

UIG1567261: Frauenkirche, Munich, Bavaria, Germany (photo) / Bridgeman Images

UIG1569245: Water Tank in the Great Garden of the Cistercian Abbey of Fontenay, Cote D'or, France (photo) / Bridgeman Images

UIG1569210: Dog Sculptures Atop A Gate in the Garden of the Cistercian Abbey of Fontenay, Cote D'or, France (photo) / Bridgeman Images

UIG1569244: Water Tank in the Great Garden of the Cistercian Abbey of Fontenay, Cote D'or, France (photo) / Bridgeman Images

UIG1569490: Romanesque Abbey Church of Mont-Saint-Michel, France (photo) / Bridgeman Images

HGP407751: Grimsthorpe Castle and Gardens (photo) / 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