Quinta da Regaleira is one of the most enigmatic and fascinating monuments in Sintra, Portugal, classified as a World Heritage Site by UNESCO. Built at the beginning of the 20th century by millionaire António Augusto de Carvalho Monteiro and designed by Italian architect Luigi Manini, the property combines Neo-Manueline, Gothic and Renaissance styles with a deep symbolism linked to Freemasonry, the Templars and Alchemy

The Pena Gardens, part of the vast Pena Park in Sintra, are one of the greatest treasures of 19th century Romanticism in Portugal. Created by King Ferdinand II (the "Artist-King"), these historic gardens span 85 hectares of winding paths, bridges and lakes. The space stands out for its exotic global vegetation, bringing together trees and plants brought from the four corners of the world that coexist with the native flora of the Sintra mountains.

The National Palace of Queluz is one of the most stunning monuments in Portugal, often nicknamed the "Portuguese Versailles" due to the grandeur of its architecture and the beauty of its geometric gardens. Located in the city of Queluz (municipality of Sintra), the 18th century palace uniquely combines rococo and neoclassical styles