Hello Borgo / Vatican
Neighborhoods are generally found in cities and not the other way around. Borgo is something of an anomaly, then, as this is where you'll find Vatican City. The administrative and symbolic home of the Catholic Church is the smallest sovereign state in the world, but what it lacks in population and area it more than makes up for with its architecture. The Sistine Chapel, St. Peter's Basilica, and the Vatican Museums are simply magnificent, both in terms of the beauty of the buildings themselves and the artistic masterpieces contained within. Prepare yourself for the crowds, therefore, but don't be put off by them. Borgo has its own quirks and charms away from the Vatican, particularly along its winding cobbled streets, or 'borghi.' The Tiber river flanks the neighborhood on its eastern boundary; from here you can take in the impressive Castel Sant'Angelo, built by the Roman Emperor Hadrian as a mausoleum for himself and his family. Hadrian also built a bridge at the same time: the Ponte Sant'Angelo. Cross this and you'll be in the heart of Rome, staring up at the Pantheon or down the Spanish Steps, in no time at all.