Self-guided Sightseeing Tour #1 in Cascais, Portugal

Boca do Inferno is a chasm located in the seaside cliffs close to the Portuguese city of Cascais, in the District of Lisbon. The seawater has access to the deep bottom of the chasm and vigorously strikes its rocky walls, making it a popular tourist attraction. The cave was the first to be depicted in moving pictures, in the 1896 British film A Sea Cave Near Lisbon, which shows waves breaking at the mouth of the cave.

Wikipedia: Boca do Inferno (EN)

The Casa de Santa Maria was once a luxurious private residence in Cascais, Lisbon District, Portugal. It was acquired by the Cascais Municipality in October 2004 and is now a museum. It blends several different architectural styles and influences.

Wikipedia: Casa de Santa Maria, Cascais (EN)

The Cascais Cultural Centre is situated close to the Citadel of Cascais in the municipality of Cascais in the Lisbon district of Portugal. It consists of several exhibition spaces, a recital hall and a restaurant. Opened in May 2000, parts of the building date back to the end of the 16th century, when it was constructed as a Carmelite monastery. The Centre is managed by the Dom Luís I Foundation.

Wikipedia: Cascais Cultural Centre (EN)

The King D. Carlos Sea Museum is a Maritime Museum in the fishing town of Cascais, Lisbon District, in Portugal. It was inaugurated in 1992.

Wikipedia: Museum of the Sea, Cascais (EN)

Casa Sommer is a building in Cascais, on the Portuguese Riviera, which houses the Cascais Municipal Historical Archive and a branch of the Cascais Municipal Library, hosting collections pertaining to the town's archaeological, architectural, historical and cultural heritage. Built as the residence of entrepreneur Henrique de Sommer, Casa Sommer is a noted example of Summer architecture.

Wikipedia: Casa Sommer (EN)

The Church of Nossa Senhora da Assunção is the Mother Church of the city of Cascais, in the Lisbon district, of Portugal. Its date of construction is unknown but some internal decoration has been dated as being between 1520 and 1525 and the church is clearly visible in a 1572 engraving showing a view of Cascais from the sea.

Wikipedia: Church of Nossa Senhora da Assunção (Cascais) (EN)

The Fortress of Nossa Senhora da Luz de Cascais is located in a dominant position in the cove of the same name, on the right bank of the mouth of the Tagus River, in the town, parish and municipality of Cascais, District of Lisbon, in Portugal.

Wikipedia: Forte de Nossa Senhora da Luz de Cascais (PT), Heritage Website Sipa, Heritage Website

The Cascais tide gauge was the first tide gauge installed in Portugal and dates back to 1882. It is situated in Cascais Municipality, Lisbon District. It was one of the first systems of sea-level data collection installed on the coast of Europe and is still in use.

Wikipedia: Cascais tide gauge (EN), Heritage Website Sipa, Heritage Website

The Caves of Poço Velho are located in the centre of Cascais in the Lisbon district of Portugal. Their use, primarily as a necropolis, is believed to date back to the paleolithic era.

Wikipedia: Caves of Poço Velho (EN), Heritage Website Sipa, Heritage Website

The Palmela Palace, also known as the Conceição Velha, was a summer residence in Cascais, Lisbon District, Portugal built for the Duke and Duchess of Palmela in 1874. It is considered to be a major example of the so-called summer architecture of the Cascais area.

Wikipedia: Palmela Palace (EN), Heritage Website Sipa, Heritage Website