View of the Campidoglio as re-designed by Michelangelo, from "Speculum Romanae Magnificentiae"

View of the Roman Capitol, from "Speculum Romanae Magnificentiae"

Etienne DuPérac

View of the Capitoline Hill during Michelangelo's restoration, the equestrian monument of Marcus Aurelius in the center, from "Speculum Romanae Magnificentiae"

Anonymous, Formerly attributed to Nicolas Beatrizet

View of the Villa of His Eminence Cardinal Alessandro Albani, outside Porta Salaria, from Views of Rome

Giovanni Battista Piranesi

The Great Hall within the Farnese Palace, from "Speculum Romanae Magnificentiae"

Anonymous, Paolo Graziani

Great Hall within the Villa of Pope Julius, from "Speculum Romanae Magnificentiae"

Anonymous

Farnese Palace, from "Speculum Romanae Magnificentiae"

Francesco Villamena

Villa Pamphili outside Porta S. Pancrazio, from Views of Rome

Giovanni Battista Piranesi

Plate from "Varie Architecture"

Johannes van Doetecum I, After Hans Vredeman de Vries

Ornithon Sive Aviarum, from "Speculum Romanae Magnificentiae"

Giovanni Ambrogio Brambilla, After Pirro Ligorio, Claudio Duchetti

View of the Villa d'Este, Tivoli, from Views of Rome

Giovanni Battista Piranesi

View of the Palazzo di Caprarola

Giuseppe Vasi, Jacopo [Giacomo] Barozzi da Vignola

Ancient Roman forum surrounded by porticoes, with loggias, some of which communicate with the Imperial Palace and others with the prisons... (Foro antico romano circondata da portici, con logge, alcune delle quali si uniscono al Palazzo Imperiale...), from "Prima Parte di Architettura, e Prospettive"

Giovanni Battista Piranesi