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The earliest foundations of the city walls date from the Roman period; the wall was heavily modified by the Arabs in the 11th century, while the majority of the remaining wall visible today dates largely from the 14th century. The longest section of the wall runs along the length of Calle Argén.
Castillo de Sopeña / Star Castle
The remains of a Moorish castle, which were possibly built on top of an Iberian fortress. Little remains of the castle today, as in the 18th century it was used as a source of building material for other construction. However the hill provides good views over the town and the surrounding area.
Argen Gate
The old Arabic gateway to the city.
Torre del Botxí / Executioner's Tower
So called as it was once the residence of the town's executioner, the 14th-century watchtower is part of the remnants of the city walls.
Prison Tower
Also connected to the city wall, and dating from the 14th century.
Aqueduct
The first aqueduct was built by the Moors in the 11th century; this one dates from the 14th. It is most easily viewed from where it crosses C/ Colón.
Arch of Veronica
This entrance to the old city is believed to be of Moorish origin, although some historians believe it may be Roman.