The Aragonese castle, with its quadrangular plan and the vast central courtyard, occupies the extreme corner of the island on which the ancient village of the city of Taranto stands. The manor, designed by the Sienese architect Francesco di Giorgio Martini on commission from Ferdinando of Aragon around the end of the 15th century, it lies on the sea to protect the navigable channel.

The Doric Temple, next to the current Palazzo del Comune, is certainly the oldest temple in Magna Graecia. The origins of the temple are very remote and date back to the first quarter of the sixth century BC. Although only the two Doric columns remain of the splendor of the past, numerous studies have been able to reconstruct the original structure, which is assumed to have been built before those of Syracuse and Paestum.

The house of Sant'Egidio Maria da Taranto, the building where Francesco Antonio Domenico Pasquale Pontillo was born on 16 November 1729, who rose to the glory of the altars with the name of Egidio Maria di San Giuseppe after an Alcantarian Franciscan religious, was the residence of the Pontillo family and is located at the slope La Riccia

The Underground of Taranto are important evidence relating to the urban settlements of late antiquity and the Middle Ages. Thanks to them it is possible to learn about the history of the old city and its Byzantine reorganization around the year one thousand of our era

The cathedral of San Cataldo (or cathedral of San Cataldo) is the seat of the chair of the Metropolitan Archbishop of Taranto. Some historians define it as the oldest cathedral in Puglia, initially dedicated to Santa Maria Maddalena and then to San Cataldo, bishop of Taranto in the 7th century. The current external and internal architectural conformation is the result of various construction phases, of restoration, renovation and expansion interventions.

The result of a series of centuries-old transformations of the area, since the Middle Ages it has represented the heart of the commercial life of the city. The modern arrangement dates back to 1992. On the eastern side stands the Clock Tower (mid-eighteenth century)

Place of meeting and trade, Piazza Fontana, formerly called "Piazza Maggiore" or "Piazza Grande", was built thanks to the Byzantine reclamation of the tenth century. In the Middle Ages, in fact, the Emperor Nicephorus II Foca started an impressive reorganization of the urban spaces of the city of Taranto, expanding them with a reclamation to the sea. The so-called "Cittadella" was located in this area of the city, a fortified area built several times starting from 1404, the period from which Raimondello Orsini del Balzo chose Taranto as the seat of his vast principality. The so-called "Cittadella" was demolished several times between 1884 and 1893.

The stone bridge, also called Ponte di Porta Napoli and dedicated today to Sant'Egidio Maria da Taranto, is a 115 long masonry structure with only three arches overlooking the natural canal to the north-west of the city.