Colorful Aerial Image of City-center of Rome
Near the city-center of Rome, lies the Vatican City (which is technically it's own country and is one of the few countries who is unable to host foreign embassies on their soil). Much of Rome and Vatican City is so unbelievable beautiful. Don't take my word for it. Listen to the real expert — Anthony Bourdain. It's one of my personal favorite episodes of Anthony Bourdain's Parts Unknown. The food alone, is reason to visit the region.
Right next to Vatican City is the small, quaint, and just gorgeous little neighborhood of Prati. It looks just as charming at sea-level as it does from above (via Daily Overview):