XPC341127: Rose window, c.1160 (photo) / Bridgeman Images

HGP362691: Smailholm Tower (photo) / Bridgeman Images

SBA466778: Medieval well in the cloister of the Church of St Catherine, Bethlehem, Palestine (photo) / Bridgeman Images

TRK739994: Turkey. Acik Saray. Church carved into the rock. Detail / Bridgeman Images

LLM3094852: The Shambles, York (b/w photo), English Photographer, (20th century) / Bridgeman Images

UTD2875691: Tower of Dankwarderode castle at Braunschweig, Germany 1930s (b/w photo) / Bridgeman Images

SQ144664: Upper half of the campanile, completed in 1173 (photo) / Bridgeman Images

SZT5179399: Castle Lauenstein in Oberfranken, 1935 / Bridgeman Images

LLM5999608: Interior detail from the Sainte-Chapelle, Paris, France (colour litho), German School, (19th century) / Bridgeman Images

TRK831361: The Portico da Gloria, Santiago de Compostela Cathedral, Galicia, Spain, 1188 / Bridgeman Images

JFS134037: Detail from the Cloister (photo) / Bridgeman Images

MAE170588: Church of Saint-Maclou, 1437-1521 (photo), Robin, Pierre (15th century) / Bridgeman Images

IBE5337294: Apse seen from the outside, Church of St. Michael (Parroquia católica de san Miguel Arcángel) in Valdenebro, Soria, Castile and Leon, Spain, late 12th - early 13th century (photo), Romanesque, (13th century) / Bridgeman Images

IBE5341323: Byzantine architecture: view of the palace of emperors Paleologue (15th century) and the ramparts of Mistra (or Mystras) in Greece. / Bridgeman Images

IBE5388196: The Alhambra, Granada (Spain). Lithograph in colours, 19th century, drawing by Wilhem Carl Werner (?). / Bridgeman Images

LLM6001202: Carved wooden rood screen of the Chapel of Notre Dame de Lambader, Plouvorn, Brittany, France (litho), Guesdon, Alfred (1808-1876) / Bridgeman Images

GNG7057625: Jacques Coeur Palace, Bourges, France. Mantelpiece relief depicting wealthy ladies / Bridgeman Images

FBU7127209: Castelvecchio Bridge. Verona / Bridgeman Images

FBU7127213: Castelvecchio Bridge. Verona / Bridgeman Images

FBU7127215: Scaliger bridge and Castel Vecchio. Verona / Bridgeman Images

FBU7127216: Scaliger bridge and Castel Vecchio. Verona / Bridgeman Images

FBU7127231: Castelvecchio Bridge. Verona / Bridgeman Images

FBU7127243: Tower of Castelvecchio. Verona / Bridgeman Images

FBU7127259: Courtyard in the Castelvecchio. Verona / Bridgeman Images

FBU7127261: Courtyard in the Castelvecchio. Verona / Bridgeman Images

FBU7127263: Courtyard in the Castelvecchio. Verona / Bridgeman Images

FBU7127267: Courtyard in the Castelvecchio. Verona / Bridgeman Images

FBU7127279: View over Adige river from the Castelvecchio bridge / Bridgeman Images

FBU7125805: Main door of San Zeno Maggiore. Verona / Bridgeman Images

FBU7127293: Main entrance of castelvecchio. Verona / Bridgeman Images

FBU7127298: Tower of the main entrance of Castelvecchio in Verona . / Bridgeman Images

FBU7127299: Detail of the Clocktower of castelvecchio. Verona / Bridgeman Images

FBU7127300: Detail of the Clocktower of castelvecchio. Verona / Bridgeman Images

FBU7143731: Montbard, the castle and tower : Tour de Laubespine / Bridgeman Images

FBU7143736: Montbard, the castle and tower : Tour de Laubespine / Bridgeman Images

FBU7143741: Montbard, the castle and tower : Tour de Laubespine / Bridgeman Images