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")
Arts in Rome Corsini, located in Trastevere, was built by Cardinal Neri Maria Corsini (grandson of Pope Clement XII) in the first half of the 18th century. It now houses the Corsini Gallery and the seat of Accademia dei Lincei; the Orto botanico di Roma is located in the garden. The Palazzo Barberini was built between 1625 and 1633. It is located in the Via delle Quattro Fontane, near the Piazza Barberini. It was the seat of the Barberini family and now houses the National Gallery of Ancient Art and the Italian Institute of Numismatics. The Palazzo Del Drago Gentili Boccapaduli is located