The castle walls remain, two doors (of the village and the Santarém) and some towers. The old Palace is a monumental residential tower of the 15th century. Plant composed of rectangular main body and two turrets inserted on the wall of the village. The curtain wall that unites the turrets, crowned by way of round, is torn by arched door broken abroad, down inside. Without cover, are visible in the interior, where Corbels supporting the beams of the floors and ceilings. Still inside the enclosure, there is a large cistern. The Muslim Castle would have been conquered by the King …

The fortress stands on the eastern spur of Serra da Arrábida, from which you can see an extensive landscape from Sines to Sintra. Its main points of interest are the entrance, the 17th century walls, the convent of the Order of Santiago, the church of Santiago, from the 15th century, the Paços de D. Jorge, the turrets, the 14th century keep, the ruins of the church of Santa Maria, the parade ground and several portals. There is also the Castle Nucleus, one of the museum spaces of the Palmela Municipal Museum.

Ruins of a medieval castle that was the siege of the "Julgado of Penafiel de Sousa". On a rock, at the top of the castle, there is a sculpture of a warrior. Pre-historic paintings were found here.

It is a military monument of great beauty, classified as a National Monument since 1910. It dominates the landscape from a height of 930 meters, in the middle of Serra de Serigo. Built in the 14th century, its current construction is probably the result of 16th century alterations to the original medieval castle. It is a citadel with a triangular plan and a door flanked by two turrets, with small balconies above, supported by corbels and crowned with prismatic battlements. Inside the small castle, there is not much to see, but the magnificent landscape that surrounds it is more than …

Castle overlooking the town, where the Church of São Miguel, dating from the 15th century, and a set of anthropomorphic graves from the late Middle Ages stand out. It has a polygonal, irregular shape and is made up of walls and several towers from the 15th and 16th centuries. It preserves the Vila Door and the Betrayal Door, the latter with Moorish influences. This is the second-largest castle on the Mondego defensive line.

This castle was formerly a Lusitanian fortification, but it was the Romans who made it militarily important. During the reign of King Dinis, fortification and expansion work was carried out, with six towers being erected and walls being built around the town. After losing its defensive function, the castle fell into decline. Currently, only a few sections of the walls, some gates, and two towers remain. It is believed that this site once housed a castrum built by Lusitanians, Vetoans, or Turduli who took refuge there. It was later occupied by the Romans. The first restoration work was carried out …

Within this magnificent monument, the extensive walls, the quadrangular turrets, the keep, and what remains of the barbicans are preserved, bearing witness to its defensive value. Rebuilt during the reign of King Manuel I, the armillary sphere, a Manueline-style window opening in the coastal wall, and the royal coat of arms are visible. Inside the walls, vestiges of the Chapel of Saint Michael and a Romanesque colonnade remain.

Castle founded by Dom Dinis in 1290, deployed in the most Uptown. Originally, had a double wall with twelve towers and eight gates. This unique construction, only a few walls and panels of three towers.

An important example of military architecture, this castle was built in the 13th century. It has the shape of an irregular octagon, and the keep, with rooms covered by Gothic vaults, is made of marble. Currently, the Palace of the Mayors and the Dukes of Braganza, and the Manueline-Mudejar chapel, remain. The residential buildings, barracks, and military warehouses in the Plaza de Armas are in ruins.

Romanesque Palace with Castle features, with quadrangular and differentiated coverage in terrace. Features elevations of two floors and three corpses, topped by a central tower. In the 13th century, there was here an ancient Manor House, couto de Portuzelo. The current building was designed in 1853 by António Pereira da Cunha.