TRK1018146: Tower of the Cathedral of Saint Martin. 14th century. Utrecht. / Bridgeman Images

UTD2864356: A boy guiding an ox carriage through a city gate at Harburg, Germany 1930s (b/w photo) / Bridgeman Images

AED2910131: Bold Street – Black Sky, 2014 (wood engraving), Desmet, Anne (b.1964) / Bridgeman Images

AED2910135: Bold Street – Blue Sky, 2014 (wood engraving) , Desmet, Anne (b.1964) / Bridgeman Images

UTD2875156: Tower of the Rhine gate at Constance, Germany 1930s (b/w photo) / Bridgeman Images

UTD2890420: A part of the ivy-clad medieval town wall in Rothenburg ob der Tauber, Germany 1930s (b/w photo) / Bridgeman Images

UTD2868247: Waldeck castle at Edersee lake in Hesse, Germany 1930s (b/w photo) / Bridgeman Images

UTD2868258: Tourist do sightseeing at Waldeck castle in Hesse, Germany 1930s (b/w photo) / Bridgeman Images

UTD2874753: Burgtor gate at Rothenburg ob der Tauber, Germany 1930s (b/w photo) / Bridgeman Images

UTD2875562: Giebichenstein castle near Halle, Germany 1930s (b/w photo) / Bridgeman Images

UTD2865179: View out of a window inside of the remains of Albeck castle near Sulz at river Neckar, Germany, 1930s (b/w photo) / Bridgeman Images

UTD2870219: View to the old city of Bad Wimpfen, Germany 1930s (b/w photo) / Bridgeman Images

UTD2842036: The stronghold at Coburg, Bavaria / Bridgeman Images

UTD2842048: Bayernreise / Bridgeman Images

UTD2842051: Town and castle Pappenheim / Bridgeman Images

SRB3036776: Barcelona, Spain (photo) / Bridgeman Images

SRB5056495: Some balconies of Le Pigeon in La Grand Place, Brussels (photo) / Bridgeman Images

SRB5056496: Some balconies of Le Pigeon in La Grand Place, Brussels (photo) / Bridgeman Images

SRB5056360: Background buildings Louve, Sac and Brouette, Grand Place, Brussels, Belgium (photo) / Bridgeman Images

LLM5999042: Nave and Tomb of the Unknown Warrior, Westmister Abbey, London (photo), English Photographer, (20th century) / Bridgeman Images

SZT5978828: Speyer Cathedral, Germany, 11-12th centuries (photo) / Bridgeman Images

GRL6372597: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): the lunette / Bridgeman Images

GRL6372598: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): the lunette / Bridgeman Images

GRL6372631: Genoa, Duomo (St Lawrence Cathedral), South side, the doorway of St Gotthard (1155 - 1160): left clustered column and jams, by “First Master” and “First Helper”, “Second Master” and “Second Helper” and “Third Helper” of the doorway of St Gotthard / Bridgeman Images

GRL6372641: Genoa, Duomo (St Lawrence Cathedral), the north side, portal of St John the Baptist (first half XII century): the lunette, by Campionese and Antelami masters / Bridgeman Images

MES3469983: View of the Church of San Cristoforo, Bari, Apulia, Italy (photo) / Bridgeman Images

MAE3469362: View of the cloister, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

MAE3469366: View of the cloister, Noyon Cathedral, Nord-Pas-de-Calais-Picardie, Oise, France (photo) / Bridgeman Images

TRK3086489: Iran, Isfahan The Jameh Mosque, Decorative muqarnas vaulting in the Iwan entrance, 12th C (photo) / Bridgeman Images

DSP3254642: Statues In Christ Church Cathedral; Dublin, County Dublin, Ireland (photo) / Bridgeman Images

GRL6166254: View of the bell tower of the cathedral (photo) / Bridgeman Images

STC129794: Eastnor Castle, from the 'John Piper 80th Anniversary Portfolio', pub. in 1983 (screenprint), Piper, John (1903-92) / Bridgeman Images

SLC878015: Salisbury Cathedral Cloister Garden (photo) / Bridgeman Images

SLC878038: Summer at Salisbury Cathedral (photo) / Bridgeman Images

SLC878050: Winter at Salisbury Cathedral (photo) / Bridgeman Images

SLC878051: Winter at Salisbury Cathedral (photo) / Bridgeman Images