ROME

Monuments

Ara Pacis Augustae	Arch of Costantine	Arch of Titus
Castle Sant'Angelo (Castle Lungotevere)	The Catacombs of Priscilla (via Salaria 430)	The Catacombs of San Callisto (via Appia Antica)
Catacombs of San Sebastian (via Appia Antica)	Circus Maximus (via del Circo Massimo)	Column of Marcus Aurelius (Piazza Colonna)
Trajan's Column	The Colosseum (Piazza del Colosseo)	Domus Aurea (via Labicana, 136)
Trevi Fountain (Piazza di Trevi)	Forum of Trajan (entrance from the via 4 November)	Forum of Augustus (via dei Fori Imperiali)
Mausoleum of Augustus	Trajan Markets (via 4 November)	Aurelian Walls
Servian Walls	Vatican City	Argentine Tower Zone
Palatine (via di San Gregorio)	Porta Pia (via XX Settembre)	Porta Portese (via Portuense)
Porta San Paolo (Piazza di Porta San Paolo)	Porta San Sebastian (Via di Porta San Sebastiano)	Portico d'Ottavia (via del Portico d'Ottavia)

Aurelian Walls
The Aurelian Walls, which enclosed the seven hills, were 19 kilometers long, had 18 doors and were defended by 381 towers.
They were built between 272 and 279 to protect the city from the menace of the Germans, defeated by the Emperor Aurelius.