The Arch of Constantine was erected in the year 315 in memory of the victory of Constantine I the Great in the Battle of Milvian Bridge. The Arch of Constantine is extraordinary compared to other preserved monuments from old Rome. Thanks to its great area it is perhaps the most representative and photographed points of the city. Constructed from pieces of previous buildings, the Arch of Constantine is the most modern of the victorious arches that were underlying old Rome. It is 21 meters high, 25 meters wide and is made up of three arches.

Trajan’s Market (Mercati di Traiano) is perhaps the most interesting areas of Rome's five Imperial Forums, built by Julius Caesar and his successors at the very zenith of the Imperial Age. This vast, multi-level semicircle was old Rome's version of the modern-day shopping center, and it remains an astoundingly intact illustration of Roman metropolitan planning. It is considered to be Rome's first "shopping focus". The intricate, made of red block and cement, had six levels in which there was once up to 150 different shops and apartments.

In a city of popular fountains, Bernini’s Fountain of the Four Rivers in Piazza Navona is a highlight. This extravagant masterpiece was inherent 1651 in the focal point of one of Rome's most exquisite squares, and it continues to delight centuries later with its elaborate sculptures and starring part in mainstream society. Piazza Navona's colourful highlight, Gian Lorenzo Bernini's Fontana dei Quattro Fiumi is a lavish, showy work. Completed in 1651, it features a tightening Egyptian obelisk and four muscular personifications of the rivers Ganges, Nile, Danube and Plate, representing the 4 continents of the notable world.

In the hilltop centre, the steeply terraced grounds of Villa d'Este are an excellent illustration of a Renaissance garden, total with fabulous fountains, tree-array avenues and landscaped grottoes. The villa, originally a Benedictine cloister, was converted into an extravagance retreat by Lucrezia Borgia's son, Cardinal Ippolito d'Este, in the late sixteenth century and later provided inspiration for composer Franz Liszt, who composed The Fountains of the Villa d'Este subsequent to spending time here somewhere in the range of 1865 and 1886. Prior to heading out to the gardens, set aside effort to admire the villa's rich mannerist frescoes.