Starting from Pian dei Mantellini you can visit the church of Santa Maria del Carmine, with a beautiful facade, renovated in the sixteenth century. After the Arco delle due Porte, part of the walls of the eleventh century, walking down Via Mascagni , we’ll be in front of Porta Laterina. Coming back from Via Mascagni and Via Stalloreggi, flanked by large old houses passing via Castelvecchio and Via San Pietro you will find Palazzo Bonsignori, built in the fifteenth century, this beautiful building is now the headquarters of the Pinacoteca Nazionale, first stop for those who want to know the evolution of Sienese painting from its origins. Continue along Via di Città, to the Croce del Travaglio, you can visit the beautiful Logge della mercanzia, walking the busy main street you reach Piazza Salimbeni here there is the fourteenth century building called Palazzo Salimbeni, restored and now house Bank Monte dei Paschi di Siena, which also contains the historic archive of the bank.
Going down via Costa dell’incrociata you will reach via della Sapienza with the Biblioteca degli Intronati, here they are preserved valuable collections of manuscripts and incunabula, then you find the Museo archeologico Nazionale, with exhibits mostly Etruscan coming from the countryside , crucial for those who want to understand the history of the earliest origins of the territory.
Continuing you will arrive to the church of San Domenico with the beautiful view of the Duomo and the Torre del mangia. Continuing and going up Via del Paradiso you reach the twentieth century Piazza Matteotti and Adjacent you will find Piazza Gramsci with the public garden best known as La Lizza in front of the factory is enlarged and renovated in 1872, on which overlooks the Fortezza Medicea, built in 1560 by Cosimo I de ‘Medici after the Florentine conquest of Siena. Demilitarized and used as a public garden in 1778, now it houses the Italian Enoteca. From the fortezza we can return to via Banchi di Sopra and follow via Camollia to get directly to Porta Camollia (on the arch is the inscription Cor magis tibi Sena pandit – it means that the city opens the heart more than you throw open the door), open on the road to Florence, the ancient Via Francigena.
If you come back in via Banchi di sopra walking through Via dei Rossi you arrive in Piazza San Francesco, where there is the homonym basilica, which began in the fourteenth century and remodeled in the nineteenth and twentieth. In the nearby Piazza Provenzano dominates the Church of St. Maria Provenzano of the fourteenth century. From the terrace beautiful views of the ancient walls and the hills south-east of Siena. Across the street Sallustio Bandini (typical example of dugentesca road), passing to the side of the building where the headquarters of the university enters the Banchi di Sotto. Corner with Via Rinaldini the is the Palazzo Piccolomini, in typical Florentine Renaissance style, today seat of the Archivio di Stato in which the Tavolette di Biccherna are preserved. Later at the Church of San Martino, are the Logge del Papa, which were built in 1462 by Pope Pius II in honor of his family. Descending into Via di Pantaneto, main axis of the Third of San Martino, and then of Via dei Pispini, which opens on the way to Arezzo.
Through the streets dell’Oliviera and San Girolamo we reach the street Salicotto that crosses the ancient ghetto area whose original tissue was disrupted by heavy urban interventions. At the end there is Piazza del Mercato: here the view extends from one side to the stretch of wall that runs from Porta Tufi to Porta Romana and the other on the imposing Palazzo Pubblico back: You then go to via del Casato Sopra and via del Casato Sotto where It preserves a beautiful medieval building. At San Pietro street bends to the left , over the Arco di Sant’Agostino, is a large meadow flanked homonym of the XIII century church and remodeled in the eighteenth. Adjacent to the Academy Museum of Fisiocritici, with collections of samples of rocks and fossils of the Sienese Pliocene and the beautiful orto Botanico. Entering via delle Cerchia you reach Pian dei Mantellini again.