Quinta da Regaleira is an estate located near the historic center of Sintra, Portugal. It is classified as a World Heritage Site by UNESCO within the "Cultural Landscape of Sintra". It consists of a romantic palace and chapel, and a luxurious park featuring lakes, grottoes, wells, benches, fountains, and a vast array of exquisite constructions. The palace is also known as "Palace of Monteiro the Millionaire", from the nickname of its first owner, António Augusto Carvalho Monteiro.
