Tourism in Rome (with around 4 million tourists a year, making it the world's 39th most popular tourist destination). Other popular sites include St Peter's Basilica, the Forum Romanum, the Pantheon, the Trevi Fountain, the Spanish Steps, Via Condotti, Via Veneto, the Capitoline Museums, the Villa Borghese gardens, the Villa Giulia, Piazza Navona, the Basilica di Santa Maria Maggiore, the Basilica of St. John Lateran, the Piazza del Popolo, the Castel Sant'Angelo, the Campo de' Fiori, the Quirinal Palace, the Lateran Palace and the Palazzo Barberini, to name a few. Rome can be divided into several districts. The so-called historical center ("centro storico")
Fontana dei Quattro Fiumi been the Fountain of the Triton in Piazza Barberini, the Fountain of the Moor in the southern end of Piazza Navona erected during the Barberini papacy, and the Neptune and Triton for Villa Peretti Montalto, whose statuary now resides at Victoria and Albert Museum in London. Each has animals and plants that further carry forth identification, and each carries a certain number of allegories and metaphors with it. The Ganges carries a long oar, representing the river's navigability. The Nile's head is draped with a loose piece of cloth, meaning that no one at that time knew exactly where the