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")
Fountain in Piazza Santa Maria in Trastevere wolf heads, the emblem of the Lopez family. The fountain was reconstructed again in 1604 by the architect Girolamo Rainaldi, the father of Carlo Rainaldi,the architect of the two churches of Piazza del Popolo. At that time the fountain was connected to the newly restored Acqua Felice aqueduct. In 1659 the fountain was connected to the Acqua Paola aqueduct and remodeled again by Bernini. Bernini replaced the octagonal basin, moved the fountain from its original place in front of the church to a new location in the center of the square, and added sculpted seashells around the basin. At the