CPH230912: View of the Choir and Apse (photo), Gambello, Antonio (fl.1458-81) / Bridgeman Images

JB24654: Exterior view of the Gatehouse, Caerlaverock Castle, Dumfries, begun c.1277 (photo) / Bridgeman Images

HGP355153: Conwy Castle, Wales (photo) / Bridgeman Images

DGA5186273: Facade of Gothic cathedral of Saint John the Baptist, Wroclaw, Poland, Polish School / Bridgeman Images

DGA5186188: Statue of a soldier, Gothic Old Town Hall southern front, Rynek (Market Square), Wroclaw, Poland, Detail, Polish School / Bridgeman Images

DGA5651733: Medieval walls near St Augustine's church, Bevagna, Umbria, Italy / Bridgeman Images

DGA644564: Interior of St Benedict's church, Ringsted, Denmark. / Bridgeman Images

DGA914474: Barroux Castle (12th-17th century), Provence-Alpes-Cote d'Azur, France / Bridgeman Images

KW7203994: Jaca, Spain. Romanesque architecture.. / Bridgeman Images

MES408811: Capital (photo) / Bridgeman Images

MES408815: Detail of a capital (photo) (see also 408812 & 408814) / Bridgeman Images

SAP490671: Detail of the Window of the Cloth Merchant, Notre Dame Collegiate Church, Semur en Auxois, France (photo) / Bridgeman Images

DGA5186242: View of chapels, Gothic cathedral of Saint John the Baptist, Wroclaw, Poland, Detail, Polish School / Bridgeman Images

DGA3240671: Monolithic crosses and O'Rourke's Tower in monastic complex on banks of River Shannon, Clonmacnoise, County Offaly, Ireland / Bridgeman Images

DGA3273759: Medieval tower, Alzate Brianza, Lombardy, Italy, photograph from Istituto Italiano d'Arti Grafiche, 1910-1912 / Bridgeman Images

DGA645620: Rock of Cashel, County Tipperary, Ireland / Bridgeman Images

DGA645010: Armenia, dome of Harichavank (Haridjavank) monastery, 5th-7th century / Bridgeman Images

DGA646429: Spain, Navarre, Sanguesa, Church of Santa Maria la Real, Entrance decoration / Bridgeman Images

DGA756157: View of medieval city, fresco of Ambulatory of Cosmatesque cloister in Monastery of St Scholastica, Subiaco. Italy. / Bridgeman Images

JFS138095: Romanesque bas-relief from a doorway, Sant' Elipido a Mare, Marche, Italy (photo) / Bridgeman Images

MAE340561: Detail of the west facade (photo) / Bridgeman Images

IBE5347550: Romanesque art: Byzantine dome and view of the church of Saint Croix (Holy Cross), Oloron Sainte Marie (Atlantic Pyrenees), 11th century (photo), Romanesque, (11th century) / Bridgeman Images

DGA646436: Spain, Navarre, Sanguesa, Church of Santa Maria la Real, Decorated capital / Bridgeman Images

DGA1259233: Medieval stone bridge over Duero river in Langa de Duero, Castile and Leon, Spain / Bridgeman Images

DGA572588: Italy, Novara region, Piedmont, wall of Castle of Visconti, 14, 15th century / Bridgeman Images

DGA757068: Overall view of apse and frescoes, by Giovanni Pietro Da Cemmo (1491-1493) and assistants, Church of Santa Maria Assunta (1485) Esine, Italy, 15th century / Bridgeman Images

DGA758965: Monument organ, 1471-1475, by Lorenzo da Prato, San Petronio (St Petronius) Basilica, Bologna, Emilia-Romagna, Italy, 15th century / Bridgeman Images

ANJ7222131: Medieval art : Interior - Santa Maria la Blanca, Villalcazar de Sirga, Spain / Bridgeman Images

ANJ7222206: Medieval art : Iglesia de San Martin, Fromista, Spain / Bridgeman Images

ANJ7222257: Medieval art : Cloister - Cathedral, Orense, Spain / Bridgeman Images

ANJ7222269: Medieval art : Towers of Oeste, Catoira, Spain / Bridgeman Images

ANJ7222272: Medieval art : Interior - The basilica San Martino de Mondonedo, Eire, Spain / Bridgeman Images

ANJ7222302: Medieval art : Portal of the Forgiveness - Detail - The Basilica de San Isidoro, Leon, Spain / Bridgeman Images

ANJ7222375: Medieval art : Portal - Detail - Monastery of Santa Maria de Ripoll, Ripoll, Spain / Bridgeman Images

ANJ7222412: Medieval art : Interior - San Pedro, Olite, Spain / Bridgeman Images

ANJ7222759: Medieval art : Portal - St. Ruffino, Assisi, Italy / Bridgeman Images