WesternEurope

The gothic styled Palácio Nacional de Sintra is situated in the heart of Sintra and was the most lived in royal residence, being continual used from the 15th century up until the fall of the monarchy in 1910. This is the palace that king Afonso VI (1650s) was imprisoned during his later life, as he was deemed, by his brother, too unstable to rule the country. http://www.sintra-portugal.com/guides/sintra-things-to-see.html

The exquisite Palacio da Pena is regarded as one of the finest tourist attractions of Portugal and will be a highlight of any visit to Sintra. The vividly painted palace was commissioned in 1842, by King Ferdinand II who championed the arts, literature and music. The king wished the palace to reflect that of a scene from an opera and the extravagant Pena Palace was constructed. http://www.sintra-portugal.com/guides/sintra-things-to-see.html

The Quinta da Regaleira is an extravagant 19th century gothic mansion that is surrounded with some of the most elaborate gardens of Sintra. The gardens are a joy to explore as they are filled with decorative fortifications, mystic religious symbols and a series of secrete passages and caves. http://www.sintra-portugal.com/guides/sintra-things-to-see.html