A castle of probable Muslim construction, whose oldest written document mentioning it dates from the reign of King Sancho I, who ordered repairs to be made to the castle. Later, King Manuel I benefited from restoration works, marked by the insertion of the Manueline coat of arms on the castle walls. The alcazaba remains, with machicolations and loopholes protecting the entrance to the enclosure, and inside, a cistern. In the center of the citadel is the keep, with a square plan and a single floor. The walled enclosure, with two gates flanked by towers, completely surrounds the town.

Former family property dated from the 19th century, who currently works as the House of turismo de habitação.

Four-pointed bastioned fortress with medieval-type walls and a redan. The ruins of the medieval fortification are visible in the central area, isolated walls or with structures attached to them for the construction of artillery platforms. As examples of ruins of modern fortification, there are four redan with a guardhouse and traces of chimneys and niches. The fort's door mantains the portcullises of the drawbridge, and there is a cistern right in the center of the fortification. Some sections of the wall and from the barbican are monumentally beautiful. The first fortress dates back to the reign of King Afonso Henriques, …

It's the most emblematic spot in the village of Aljustrel. The chapel, with its grand staircase, is used for pilgrimages. It features both Baroque and folk architecture. Some sections of the castle still remain.

According to the Director-General of prison services, the municipality of Castelo de Vide received, in September 1933, subsidies for the construction of the civil jail.

This 17th century building is shaped like a four-pointed star, each protected by guardhouses. The vestiges of this defensive fort can be seen on Avenida Doutor Antunes Guimarães, Rampa do Castelo and Rua de Santa Catarina. It began to be built in 1638, but in 1655 it was still not completed. In 1832, during the civil war, it underwent some modifications and, in the 20th century, it was handed over to the Captaincy of the Port of Leixões, which carried out works to house its staff there.

Noble House of Mannerist rectangular plant consisting of two bodies and roofs of four waters. Inside, the Foyer decentered with access ladder to the piano nobile. Originally, functioned as Vedoria and respective barracks, being currently here installed the District of Viana do Castelo File.

On the northern slope of the Castle Hill, the possible Roman city forum creates an artificial platform, supporting the imposing monumental complex of the city of Myrtilis. This entire platform, leaning against the wall, rested on a solid underground gallery approximately 30 meters long and 6 meters high. In Late Antiquity, in the 5th and 6th centuries, lavish religious buildings were erected here; among them, a possible Episcopal Palace and a baptistery, of which significant fragments of a beautiful set of polychrome mosaics remain. During the Islamic period, during the 12th and 13th centuries, this entire area was occupied by …

A Neolithic defensive hillfort, likely rebuilt and reoccupied by the Romans until the 1st century. In 1160, Dom Afonso Henriques donated it to the Templars, who were to have built a castle there. However, this never came to fruition.

Of unknown origin, this castle was rebuilt twice: the first during the reign of Dom João III and the second at the time of the Restoration wars. It was then adapted in order to become a private residence. It is classified as a Building of Public Interest.