ID: FIA5401089

Saint Nile du Sinai (or Nile d'Incyre) (died after 430) and the Saint Nile monastery on Lake Seliger, 18th century (tempera on panel)

Russian School (18th century)

ID: LLM3626729

Tomb and chantry of William of Wykeham, founder of New College, Oxford, in Winchester Cathedral (engraving)

Essex, R. (fl.1828) (after)

ID: CFB260064

The Twin Towers, San Gimignano (oil on hardboard)

Barry, Claude Francis (1883-1970)

ID: SKD405728

Doorway in Meissen, 1827 (oil on canvas)

Friedrich, Caspar David (1774-1840)

ID: DPS3254407

Grey Abbey, Co Down, Ireland; 12Th Century Cistercian Abbey (photo)

ID: DGA911012

Detail of frescoes (14th-15th century)from parish church, Valgoglio, Lombardy, Italy

ID: DGA756071

Heremitic Life, fresco by Third Master, 15th century, Upper Church of Sacro Speco Monastery, Subiaco. Italy, 15th century.

ID: EHT3577168

Alnwick Castle, Northumberland, UK (photo)

ID: HRP5245718

The White Tower

ID: GCL3402204

CHATEAU DE SULLY-SUR-LOIRE A view of the Château de Sully-sur-Loire in the Loire Valley, France, constructed between the 14th and 17th centuries. Photographed c.1975.

ID: SAP692830

Hagia Sophia, St. Sophia, Church of Holy Wisdom, Nave

ID: DGA914157

Montebello Castle (13th-15th century) (Unesco World Heritage List, 2000), Bellinzona, Ticino, Switzerland

ID: DGA914159

Montebello Castle (13th-15th century) (Unesco World Heritage List, 2000), Bellinzona, Ticino, Switzerland

ID: DGA914161

Montebello Castle (13th-15th century) (Unesco World Heritage List, 2000), Bellinzona, Ticino, Switzerland

ID: DGA914163

Towers along walls of Montebello Castle (13th-15th century) (Unesco World Heritage List, 2000), Bellinzona, Ticino, Switzerland

ID: DGA763761

Enthroned Madonna and Child with angels, mosaic, north wall, the lower register, the Basilica of St Apollinaris Nuovo (UNESCO World Heritage List, 1996), Ravenna, Emilia-Romagna. Detail. Italy, 6th century.

ID: DGA926297

Octagonal interior, Palatine Chapel (786-804), Aachen Cathedral (8th-16th century) (Unesco World Heritage List, 1978), Rhineland-Westphalia, Germany

ID: DGC1126635

Pelican Fountain, Santuário de Nossa Senhora dos Remédios, Lamego, Portugal 1738 (stone)

Portuguese School, (18th century)

ID: ODN3876275

Carcassonne

ID: DPS3249859

Newtown, Co Meath, Ireland; Tomb Of The Jealous Man And Woman That Is Seen As A Cure For Warts (photo)

ID: DPS3249891

Boyle Abbey, Co Roscommon, Ireland; 13Th Century Abbey (photo)

ID: DPS3256457

Antrim Town, Co Antrim, Northern Ireland, Round Tower (photo)

ID: DPS3254646

Monastic Ruins Of St. Kevin's Church; Glendalough, County Wicklow, Ireland (photo)

ID: UIG1566272

Alexander Nevsky Cathedral in Tallinn, Estonia (photo)

ID: SAP693991

Church of Saint John, Ephesus

ID: SAP623156

The Castle, A Mosque

ID: UIG806547

Wine Estate (photo)

ID: TRK2922309

Spain, Burgos, The Cordon's House, Palace of the Constables of Castile, 15th century, Great Franciscan stone cord (photo)

ID: TRK697230

Apse frescoes depicting scenes from the Passion of Christ and the life of Saint Olalla, including the Last Supper, Church of Saint Eulalia, La Loma, Spain (photo)

ID: TRK697160

Coat of arms from the facade of Seville Cathedral, Andalusia, Spain (photo)

ID: TRK831576

Bell tower of the Basilica of Saints John and Paul. 11th century. Rome.

ID: GBW451489

The northern facade of the Cathedrale Saint-Gervaise-et-Saint-Protais, begun in 1180 and seriously damaged during the war, Soissons, Aisne, France, 1917 (autochrome)

Cuville, Fernand (1887-1927)

ID: SLR3823973

Quire of Wells Cathedral

ID: UTD2843526

The Castle Sigmaringen in the south of the Swabian Alb

ID: UTD2874632

View over the roofs of Nuremberg, Germany 1930s (b/w photo)

ID: GRL6166258

The Cloister of the Benedectine monastery (XII century): the Northern side of capital N1 (Costantine and his mother Helen (photo)