Very unusual by its size.
The Great Dolmen of Zambujeiro is a megalithic monument located in Nossa Senhora da Tourega, near Valverde, in the municipality of Évora, considered one of the biggest such structures in Iberia.
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Cromeleque dos Almendres
Megalithic complex, an important megalithic monument in the Iberian Peninsula. It is the largest extant group of structured menhirs in the Iberian Peninsula, and one of the largest in Europe. It's about 10 km from Évora, going by Guadalupe.
Aqueduto da Água de Prata
Designed by military architect Francisco de Arruda (who previously designed the Belém Tower, it was built during the reign of by King João III between 1531 and 1537, the huge arches which stretched 9 km (6 miles) to supply water from the interior to Évora. The aqueduct extended to the Praça do Giraldo, and bisected the city, resulting in the construction of houses, shops and cafés built between the arches (such as in the areas of Rua da Cano, Travessa das Nunes and Rua do Salvador street). A segment of the Roman wall and foundations of period buildings are preserved along Travessa Alcárcova de Cima, a narrow lane in the historic center. This structure was mentioned in the epic poem Os Lusíadas by Luís de Camões.
Palácio de Dom Manuel
Remnants of a palace built by King Manuel I in Gothic-Renaissance style. According to some chroniclers, it was in this palace, in 1497, that Vasco da Gama was given the command of the squadron he would lead on his maritime journey to India.
Ermida de São Brás
Built around 1480, it is a good example of Mudéjar-Gothic with cylindrical buttresses. Only open for prayer.
Igreja de São Francisco
Built between the end of the 15th and the early 16th centuries in mixed Gothic-Manueline styles. The wide nave is a masterpiece of late Gothic architecture. Contains many chapels decorated in Baroque style, including the Chapel of Bones (Capela dos Ossos), totally covered with human bones.
Chapel of Bones
Totally ornamented with human bones, surreal, perhaps creepy to some but a must-see. Contrary to what is often said, it is not unique.