King Dinis ordered the construction of these walls and the castle, composed of crenellated walls, turrets, a large keep, moats, and a barbican. In 1580, during the Philippine occupations, the castle suffered considerable damage. Thirteen turrets and three gates are preserved, one of which is the Gate of Treason. Of particular note are the turrets, the ruins of the Palace of Cristóvão de Moura, and the urban layout within the walls.

With a surface of 14,583 hectares, the Natural Park extends from the northern boundary of the municipality of Sintra, near the mouth of the river Hawk, to the Citadel of Cascais, forming part of the metropolitan area of Lisbon. Encompasses areas of great sensitivity for its floristic and landscape, geomorphologic characteristics, and part of the area is part of the list of World Heritage Sites in the category of Cultural landscape. Among other points of interest include the coastal lapiás (mouth of hell), the Palácio da Vila de Sintra, the footprints of dinosaurs in Praia Grande, caster Peninha, the Moorish …

Space for picnic area located at the Palácio Marquês de Pombal.

Atualmente, funciona aqui o NAU Palácio do Governador.

This Church consists of a nave, a chancel, a vestry and a Bell Tower. Inside, the choir-high, the baptistery under the base of the tower and the side altarpieces of gilt and polychrome of late-baroque structure.

A restaurant/snack-bar located in the centre of the small town of Ribeira de Pena.

Lawn and tree-lined space located at Palácio Marquês de Pombal.

Bathing area located in the historic village of Piódão, surrounded by several landmarks, including the village of Benfeita shale, the historic village of Piódão and Fraga da Pena and Margaraça Woods, serra do Açor protected landscape.