Monuments of the seven hills of Ancient Rome.The Tiber River is the main river of Rome. The Trans Tiberim is referred to as the right bank of the Tiber, according to &#34;The Cults of Ancient Trastevere,&#34; by S. M. Savage (<i>Memoirs of the American Academy in Rome</i>, Vol. 17, (1940), pp. 26-56) and includes the Janiculum ridge and the lowland between it and the Tiber. The Trans Tiberim appears to have been the site of the annual ludi piscatorii (Fishermen&#39;s Games) held in honor of Father Tiber. Inscriptions show the games were held in the third century B.C. They were celebrated by the City Praetor.The cloaca maxima was the sewer system built in the sixth or seventh century B.C., by one of the kings of Rome -- probably Tarquinius Priscus, although Livy attributes it to Tarquin the Proud -- to drain the marshes in the valleys between the hills into the Tiber River.The Colosseum is also known as the Flavian Amphitheater. The Colosseum is a large sports arena. Gladiatorial games were played in the Colosseum.The curia was part of the political center of Roman life, the Roman forum&#39;s comitium, which was at the time a rectangular space mostly aligned with the cardinal points, with the curia to the north.Monuments within the ancient Roman forum.The Roman Forum is what we call the main Roman forum, but there were other forums for specific types of food as well as imperial forums, like this one for Trajan that celebrates his victory over the Dacians.The Servian Wall that surrounded the city of Rome was supposedly built by the Roman king Servius Tullius in the 6th century B.C.<p>The Aurelian Walls were built in Rome from 271-275 to enclose all seven hills, the <a href="https://www.thoughtco.com/campus-martius-117758" data-component="link" data-source="inlineLink" data-type="internalLink" data-ordinal="1">Campus Martius</a>, and the Trans Tiberim (Trastevere, in Italian) region of the formerly Etruscan west bank of the Tiber.</p>The Lacus Curtius was an area located in the Roman Forum named for a Sabine Mettius Curtius.The pomoerium was originally an area circling the inhabited area of the city of Rome.Leading out of Rome, from the Servian Gate, the Appian Way took travelers all the way from Rome to the Adriatic coastal city of Brundisium whence they could head to Greece. The welll-storied road was the site of the grisly punishment of Spartacan rebels and the demise of the leader of one of two rival gangs in the period of Caesar and Cicero.