Photo: User Maus-Trauden on de.wikipedia, Public domain via Wikimedia Commons
According to an inscription Emperor Augustus dedicated the obelisk to the sun in the 11th year of his consulate (10BC), after he had annexed Egypt to Rome. The obelisk is 24 m high. It was erected in Heliopolis in Egypt and was dedicated to Pharao Sethos I (1313-1292 BC) and Pharoa Ramses II (1292-1275 BC). Augustus brought the obelisk to the Circus Maximus, where it was rediscovered in 1587, broken into three pieces and was relocated to Piazze del Popolo on the orders of Pope Sixtus V in 1589.
The Flaminio Obelisk is one of the thirteen ancient obelisks in Rome, Italy, and probably either the most ancient, or second most ancient. It is located in the Flaminio quarter on Piazza del Popolo, and named not just for the quarter, but the Flaminian Way, which began near by. Initially it stood at the Temple of Re, in Heliopolis, before being moved to Rome after Caesar Augustus' conquest of Egypt, and previously stood in the Circus Maximus with another ancient Egyptian obelisk, the Campense Obelisk, presently located in Piazza di Monte Citorio, before being moved to its present location by Sixtus V in the 16th Century.
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This is the largest square in Rome. It sometimes hosts pop concerts and is the focal point for Rome's New Year's Eve celebrations. The twin churches Santa Maria dei Miracoli (1681) and Santa Maria in Montesanto (1679) used to provide a clear welcome to Rome for those coming from the north. Much older, to the north of the piazza is yet another Santa Maria (see below). The Piazza del Popolo is considered as one of the most beautiful squares in Europe. It was enlarged and two streets, the Via di Ripetta and the Via del Babuino were added by order of Pope Sixtus V. In the middle of the square is an obelisk (see below). In 1809-1816, Giuseppe Valadier, Roman architect of French origin, gave the square its characteristic oval shape.
This is a treasure-trove of art. There are a couple of paintings by Caravaggio: "The Crucifixion of Saint Peter" and "The Conversion of Saint Paul" (in a dim alcove to the left of the altar, both at right angles to the viewer, with a machine wanting €2 to switch on the lighting) together with a sculpture by Bernini, frescoes by Pinturicchio and mosaics by Raphael. Part of the Dan Brown tour, this church featured in Angels and Demons, although the Vatican did not allow filming inside.
Casa di Goethe
The Pincio Park is near Piazza del Popolo. It was designed in the 19th century by Giuseppe Valadier, who also designed the Piazza del Popolo. Formlerly the Casina Valadier was an elegant restaurant. Gandhi, Mussolini, Richard Strauss and the Egyptian King Farouk were customers there. There are many evergreen bushes, palm and pine trees on both sides of the paths. Don't miss the view from Piazzale Napoleone I. to the Vatican and Rome from Monte Mario to Gianicolo. Walking through the park from Villa Borghese or along Viale Trinita del Monti is greatly recommended, especcially at sunset. In the park there is an Egyptian obelisk erected by Emperor Hadrianus over the grave of his favourite slave Antinos, who had saved the emperor's life and from then on was adored like a God.
Ara Pacis is an altar to peace commissioned by the Roman Senate on 4 July 13 BC to honor the triumphal return from Hispania and Gaul of Augustus. It is universally recognised as a masterpiece. Following discovery of this work under a building in Rome, Mussolini built a protective building for it near the Mausoleum of Augustus, where it was reconstructed. A new building on the same site as Mussolini's was opened in 2006 and has been controversial. The mayor at the time said he would tear down the new structure. The basement of the new building features occasional exhibitions. You can see much of it from outside the building. Paying to go inside adds some background info, but not much more.
Mausoleum of Augustus
This is a large tomb built by the Roman Emperor Augustus in 28 BC in the form of a stone ring covered by an earth mound. A brick wall, 87 m in diameter, carried an earth mound covered with cypresses. On top of the hill stood a bronze monument of the emperor. The building was 44 meters high. At the beginning of the alley, which led to the tomb were two Egyptian obelisks. On both sides of the doorway bronze plates describe the "Res gestae", the deeds of the emperor. The urns of Augustus, Marcellus, Octavia, Agrippa, Drusus and other members of the Julian Claudian dynasty were revered here. In the Middles Ages the building served as citadel of the Colonna family. It was destroyed by Pope Gregor IX in 1241. The body of Cola di Rienzo. a popular leader of the people in the mid-14th century, was burnt in this monument. The Mausoleo di Augusto is not open to the public, and is fenced off.