Enjoy panoramic views of the stunning coastal cliffs of Cabo da Roca Explore the favorite refuge of the Portuguese aristocracy during the reign of Dom João III on a private tour of Sintra and the Estoril coast. Learn why so many romantic writers and artists have found inspiration among these whimsical palaces and gardens. Marvel at the different architectural styles of Pena Palace, perched like a fairytale castle on the highest peak of the Serra de Sintra. Quinta da Regaleira is one of the most amazing monuments of the Serra de Sintra. Located at the end of the historic center of the village, it was built between 1904 and 1910, in the last period of the monarchy.. Take in the fascinating view of Boca do Inferno, before returning to Lisbon through Cascais and Estoril