The Regaleira Palace located in the Historic Center of Sintra in Portugal and World Heritage Site by UNESCO, was built in the beginning of twentieth century, to the summer residence of Viscountess Regaleira and was later bought by millionaire António Augusto Carvalho Monteiro, is the main building of Quinta da Regaleira architected by Luigi Manini with a mixture of Manueline, Renaissance, Gothic and romantic styles.