Classified as a Property of Public Interest in 1977, Ranhados Castle sits on a hill overlooking the village of the same name, approximately 838 meters above sea level. Archaeological evidence attests to the existence of a protohistoric fortified settlement, later Romanized. Its construction dates back to the reign of King Dinis, when he granted the town a charter (1286) to encourage its settlement and defense. At the end of the 14th century, these lands were donated to two Távora brothers, and some authors argue that it was built during this period, given the simplicity of the design and the apparent …

Castle built by King Dinis in the 14th century, possibly on previous fortification. It has an oval fence with six turrets, two towers and two gates. Currently, retains primitive walls parts, the doors of Ravessa and of Relógio, and remains of the city hall, with ogival slots. The Bell Tower was built in the reign of King João II and was the residence of the Earls Borba-Redondo.

Also referred to as Castle of Buarcos, represents what remains of an ancient medieval castle. Given its deployment on the ground, should be in its origin the existence of a fortified village.

Serpa Castle is part of the historic center. The fortification stands 230 meters above sea level and is an integral part of Serpa's walled structure, built by King Dinis.

The castle preserves the two fundamental elements of medieval fortifications: the town walls and the citadel, which retains the keep. On the walls, which form an irregular polygon, the gates providing access to the old town are visible: the Sun Gate and the Azoia Gate.

Silves Castle is the largest in the Algarve and one of the most notable works of military architecture bequeathed by the Arabs. The structure was composed of several elements: the citadel, the Almedina walls, the Curaçao, the Arrabalde walls, and several moats. The walls are shaped like an irregular polygon, consisting of eleven rectangular towers. The citadel is the most important area, where two cisterns from the original period and the well, called the Moorish Cisterna, can be seen. Archaeological excavations have uncovered a Muslim dwelling, called the "Palácio das Varandas," the residence of the city's lord. The mixture of …

A medieval castle, it has undergone several restorations over the centuries. All that remains of the original castle are the battlemented walls flanked by thick masonry turrets, the keep with twin windows, and the Alcaide-Mor Palace. On the ceiling of the fortress's armory, you can see interesting paintings of armor, war trophies, and the royal shield of King João V. Visigothic architectural elements are visible on the walls.

Revival of the 19th century palace. Rectangular Gothic plot plan.

São Jorge Castle was the birthplace of Lisbon. Situated 111 meters above the waters of the Tagus, the castle and walls underwent successive adaptations over the centuries. The current appearance is that of a medieval building, with 10 square-shaped towers, where the ruins of the Royal Palace still remain. It is a pleasant space to stroll around, and for this purpose, you can choose either the gardens, which date back to 1942 and where geese and ducks roam, or the narrow alleys of the tiny neighborhood of Santa Cruz, located within the castle walls. Visitors can also climb the towers …

Located atop a hill, this castle was part of the Guadiana River defense line. It consists of a walled enclosure with turrets, a keep, and two gates, one flanked by towers. Documentary accounts attribute the construction of this castle to King John I, who integrated the town into the Patronage of the Order of Aviz. It was severely damaged during the Castilian Wars and the 1755 earthquake.