The Egyptian Obelisk of Augustus, from "Speculum Romanae Magnificentiae"

The Egyptian Obelisk of Constantine, from "Speculum Romanae Magnificentiae"

Giovanni Ambrogio Brambilla, Nicolaus van Aelst

The Egyptian Obelisk of Augustus, from "Speculum Romanae Magnificentiae"

Anonymous, Nicolaus van Aelst

Trajan's Column, from "Speculum Romanae Magnificentiae"

Giovanni Ambrogio Brambilla, Claudio Duchetti

A Reconstruction of a View of the Obelisk at the Entrance of the Via Flaminia

Jan Goeree

A View of the Column of Trajan (above) with Details (below)

Jan Goeree

The Antonine Column, from "Speculum Romanae Magnificentiae"

Anonymous, Nicolaus van Aelst

Column of Trajan, from "Speculum Romanae Magnificentiae"

Anonymous, Antonio Lafreri

Column of Trajan, from "Speculum Romanae Magnificentiae"

Attributed to Nicolas Beatrizet, Nicolaus van Aelst

Column of Trajan

Anonymous, Antonio Lafreri

Column of Antoninus and a Roman Obelisk, from "Speculum Romanae Magnificentiae"

Anonymous, After Enea Vico

Fontana in Piazza Navona [Fontana dei Quattro Fiumi], from "La Fontane di Roma nelle Piazze e Luoghi Publici (...)"

Giovanni Battista Falda, Giovanni Giacomo De Rossi

Column of Antoninus and a Roman Obelisk

Enea Vico, Antonio Salamanca