Interior, Sainte-Chapelle, Paris

Gothic

Visitation, Reims

Gothic

Christ (Beau Dieu)

Gothic

Saints Martin, Jerome, and Gregory, Chartres

Gothic

Notre Dame de la Belle Verriére, Chartres

Gothic

Chartres Cathedral/plan/interior/Royal Portal/Old Testament Kings and Queens/Jamb statues*

Gothic

Ambulatory and radiating chapels, Saint-Denis/plan*

Gothic

Battle of Hastings, Bayeaux Tapestry*

Romanesque

Funeral Procession to Westminster Abbey, Bayeaux Tapestry*

Romanesque

Ascension of Christ and Mission of the Apostles, Vézelay

Romanesque

Gislebertus, Last Judgment, Saint-Lazare

Romanesque

Cloister of Saint-Pierre, Moissac

Romanesque

South portal of Saint-Pierre, Moissac*

Romanesque

Bishop Bernward's doors for St. Michael's, Hildesheim*

Early Medieval

Plan for a monastery at Saint Gall

Early Medieval

Palatine Chapel of Charlemagne, Aachen*

Early Medieval

Equestrian portrait of Charlemagne

Early Medieval

Chi-rho-iota page from Book of Kells

Early Medieval

Theodora and attendants*

Byzantine

Justinian, Bishop Maximianus, and attendants*

Byzantine

San Vitale/exterior/plan*

Byzantine

Hagia Sophia/exterior/plan/interior*

Byzantine

Christ as Good Shepherd, Galla Placidia

Early Christian

Plan of Old Saint Peter's*

Early Christian

The Good Shepherd, the story of Jonah, and orants

Early Christian

Sarcaphogus of Junius Bascus*

Early Christian

Portrait of Constantine

Roman

Arch of Constantine

Roman

Portraits of the four Tetrarchs*

Roman

Equestrian statue of Marcus Aurelius

Roman

Pantheon*

Roman

Column of Trajan*

Roman

Spoils of Jerusalem relief/Triumph of Titus*

Roman

Arch of Titus*

Roman

Colosseum*

Roman

Pont-du-Gard

Roman

Ara Pacis Augustae/Female Personification/Procession of the Imperial Family*

Roman

Portrait of Augustus as general, from Primaporta*

Roman

Dionysiac Mystery Frieze

Roman

Temple of Portunus*

Roman

The part of a church with an axis that crosses the nave at a right angle 

The central area of an ancient Roman basilica or of a church, demarcated from aisles by piers or columns

A recess, usually semicircular, in the wall of a building, commonly found at the east end of a church

A porch or vestibule of a church, generally colonnaded or arcaded and preceding the nave

A concave, triangular section of a hemisphere, four of which provide the transition from a square area to the circular base of a covering dome. Although pendentives appear to be hanging (pendant) from the dome, they in fact support it. 

An architectural device used as a transition from a square to a polygonal or circular base for a dome. It may be composed of lintels, corbels, or arches.

A container for holding relics.

Subterranean networks of rock-cut galleries and chambers designed as cemeteries for the burial of the dead

In Christian theology, the recognition of concordances between events, especially between episodes in the Old and New Testaments

parts are of equal or almost equal dimensions around a corner

A covered walkway, outdoors or indoors; especially the passageway around the apse and the choir of a church. In Buddhist architecture, the passageway leading around the stupa in a chaitya hall.

Greek, "cubes." Tiny stones or pieces of glass cut to the desired shape and size for use in forming a mosaic.

A monogram and symbol for Christ, consisting of the superimposed Greek letters chi (Χ) and rho (Ρ), often embroidered on altar cloths and clerical vestments.

A group of buildings in which monks live together, set apart from the secular community of a town.

A decorative pin, usually used to fasten garments.

The space enclosed by a lintel and an arch over a doorway,

In church architecture, the pillar or center post supporting the lintel in the middle of a doorway.

In architecture, the side posts of a doorway.

A monastery courtyard, usually with covered walks or ambulatories along its sides.

An exterior masonry structure that opposes the lateral thrust of an arch or a vault. A flying buttress consists typically of an inclined member carried on an arch or a series of arches and a solid buttress to which it transmits lateral thrust.