A Journey Through Algarve's Historical Landmarks
Updated: Aug 12
The Algarve has a rich history, having been settled by the Romans, ruled by the Moors, and serving as the site of Portugal's Age of Discovery. Algarve's landmarks, such as old castles that overlook coastal towns, churches, fortresses, and ancient city walls, tell the story of the past. Visitors can connect more deeply with the region by exploring these cultural treasures, which combine beautiful architecture, local history, and stunning locations all over southern Portugal.
Reading this blog post, you will step into the world of the most intriguing historical landmarks in the Algarve.
Top 10 Algarve's Historical Landmarks
1. Silves Castle

The Silves Castle, also known as Castelo de Silves, is one of the best examples of Moorish building. It is situated on a hill in the town of Silves and attracts a large number of visitors. Why not revisit history today? Charles the Great commissioned this fortress during the 8th Century, and on a clear day, you can see the whole of the surrounding countryside from the walls of this mighty structure.
The fort has red sandstone walls and a tower at right angles, which gives a glimpse of the history of Moors dominating the area. In the castle's sightseeing area, a cistern, ancient wells, and the remains of a previous palace are also located. The castle features a museum, where the displayed items help explain the history behind this site and the town of Silves.
2. Lagos Old Town
Lagos is one of the largest coastal cities, and it still retains its historic old town, which is rich in history. Old houses line the city's roads, featuring white plastering, and the alleys and cobblestone streets lend a historic feel. Lagos has many attractions due to its age, including the Ponta Da Brandeira fort.
It was installed in the 17th Century to guard the entrance to the harbour, and what could pass as Lagos' cathedral, the Igreja de Santo António, which hosts a beautiful baroque interior, wooden carvings and also has Portuguese tiles known as azulejos. Lagos played a crucial role in the Age of Discoveries and the Mercado de Escravos (Slave Market).
3. Roman Ruins of Milreu
Just a few kilometres from the village of Estoi, the e preserved Roman ruins of Milreu are present. This archaeological site features a luxurious villa with intricate complications and geometric mosaics, a holocaust, thermae, and a temple constructed in the first century AD. Its workings testify to a high level of the Roman lifestyle, which was once used in the corresponding district.
The marvellous works of art are the mosaic flooring, which illustrates fish, aquatic plants, and various mythological creatures. Milreu is a walk through the Roman era and its impact on the present-day Algarve.
4. Castle of Aljezur

Algarve's famous defenses are also in the Castle of Alsaida, a stunning town in Aljezur. This castle was constructed in the 10th Century and boasts fantastic scenery of the nearby hills and valleys. Some of the walls and towers of the stronghold have survived till the present day. However, the general view of the area is striking and powerful since the castle occupies a high ground.
The Museu Municipal de Aljezur, situated near the castle, showcases artifacts and documents that trace the castle's history and Aljezur's ties to the Moors. Visiting the Castle of Aljezur is a walk through history, as its construction reveals multiple layers of the region's past.
5. Faro Old Town
Faro is the capital of the Algarve, and it has an old town with an authentic historical feel. The walls of medieval constructions, narrow streets, small squares, and numerous historic buildings enclose the lanes and streets of the Faro.
The Arco da Vila is an arch dating back to the nineteenth Century that leads to the old town. The most critical facilities include Sé de Faro – a gothic cathedral built on the foundation of a mosque, and Igreja do Carmo, with a famous bone church (Capela dos Ossos). More of Faro's history can be learned at the Municipal Museum, located in a building that was once a convent.
6. Sagres Fortress

Located on the southwest coast of Portugal in the Algarve region, the Sagres fortress, or the Fortaleza de Sagres, is a historical gem and a geographical marvel. This construction is a 15th-century fortress, ordered by one of the main characters of the Age of Discovery – Prince Henry the Navigator.
Thus, continuously watching the sea and guarding the coast became a vital defence point. Today, the massive walls of the fort, cannons, and the rather famous Rosa dos Ventos, or the Wind Compass, where it is said that the Portuguese used to train their sailors, are open for tourists. The added features that make this place even more appealing include the Atlantic Ocean and the mighty cliffs.
7. Castle of Paderne
The Castle of Paderne, a Moorish castle situated inland from Albufeira, is exceptionally well-preserved. The castle was constructed in the twelfth Century, and because of its position atop the hill, it commanded the surrounding territory. Another aspect is the castle wall or ramparts; they were constructed from taipa, which is a type of rammed earth, and represent the construction of that period.
Tourism attractions worth seeing include the remains of a church, a water cistern, and a stunning view of the countryside. If there was ever a diamond in the rough that people don't know much about, then the Castle of Paderne is it, especially in its period as a Moorish village in the Middle Ages.
8. Estoi Palace

Estoi (Palácio de Estoi) is a must-visit if you crave luxury and opulence. In Estoi village, it is a wonderful representation of a rationalist palace in its pure form, built in the 19th Century. The entire palace has been beautifully adorned with frescoes, chandeliers, and walls of intricate stucco work, showcasing the luxurious lifestyles of the nobility.
This palace boasts a majestically designed garden area featuring fountains, statues, and azulejo tiling. Today, the Estoi Palace remains functional and serves as a luxury hotel pousada; therefore, people can visit the place and feel the intrinsic history of each stone.
9. Cerro da Vila- Roman Village

Cerro da Vila in Vilamoura is best described as one of the most significant archaeological sites in the region. This set of villa houses evokes memories of the Roman era in this area, which was constructed in the 1st century AD. The tourists can explore the echoes of Southern Italy's prosperity – the villas decorated with frescoes, the mosaic floors, the spas, and the cemetery of the Roman nobility.
Located on the site is also an archaeological museum, where pottery, coins, and tools are on display to the public, offering a glimpse into life during the Roman period. Thus, you can consider the visit to Cerro da Vila as a walk through time, demonstrating that the Romans have been present in the Algarve eternally.
10. Museu de Portimão
The Museu de Portimão, situated in a former preserved sardine canning factory, represents the historical and ethnographic development of the Algarve. Located in the lively city of Portimão, this museum presents a complete cycle of the area's growth. Particular emphasis is placed on the subject known as the tinning of sardines, which formed a significant part of the economy from the end of the nineteenth Century through to the middle part of the twentieth Century.
The general public can appreciate videos, culturally significant items, and installations that help create perceptions of the past. It also informs visitors about the region's archaeological history, seaborne activities, and the crafts that are part of Portimão's past.
FAQ
What are the best Moorish castles to visit in the Algarve?
The top Moorish castles in the Algarve are Silves Castle, Castle of Aljezur, and Castle of Paderne:
Silves Castle (Castelo de Silves): Constructed in the 8th century, it is considered the finest example of Moorish military architecture in Portugal, featuring prominent red sandstone ramparts, ancient cisterns, and an onsite museum.
Castle of Aljezur: A 10th-century hilltop fortress in western Algarve offering panoramic countryside views and surviving defensive towers.
Castle of Paderne: A 12th-century inland Moorish ruin located near Albufeira, famous for its rare taipa (rammed earth) wall construction.
Where are the best Roman ruins in the Algarve?
The best Roman archaeological sites in the Algarve are the Roman Ruins of Milreu and Cerro da Vila:
Roman Ruins of Milreu (Estoi): A 1st-century AD luxury villa complex featuring intact geometric and marine-themed mosaics, private thermal baths (thermae), and a temple.
Cerro da Vila (Vilamoura): A 1st-century AD Roman maritime village featuring preserved villa foundations, public baths, frescoes, and an archaeological museum housing Roman coins and pottery.
Which Algarve landmarks are connected to Prince Henry the Navigator and the Age of Discovery?
The primary landmarks tied to Prince Henry the Navigator and the Portuguese Age of Discovery are Sagres Fortress and Lagos Old Town:
Sagres Fortress (Fortaleza de Sagres): Built in the 15th century on the southwestern coast, this strategic fortress features the Rosa dos Ventos (Wind Compass) used to train Portuguese sailors.
Lagos Old Town: Served as the historic naval center for Portuguese maritime expeditions; home to the 17th-century Ponta da Bandeira Fort and the Mercado de Escravos (Europe's first slave market).
What are the most famous historical attractions in Faro Old Town?
Faro Old Town (the capital of the Algarve) is enclosed by medieval walls entered through the Arco da Vila. Key attractions include:
Sé de Faro (Faro Cathedral): A Gothic cathedral built directly over the foundations of an ancient Moorish mosque.
Igreja do Carmo & Capela dos Ossos: A Baroque church famous for its "Bone Chapel," constructed from human skulls and bones.
Municipal Museum of Faro: Housed in a historic 16th-century convent showcasing Roman, Moorish, and medieval regional artifacts.
