the quinta da regaleira is a beautiful and intricate palace unesco world heritage site located in sintra, portugal

sintra portugal unesco eclectic neogothic neomanueline moorish hilltop overlooks town popular tourist destination striking unique iconic famous landmark european exterior building place heritage lisbon castle architecture historical gothic monument landscape national museum antique culture classic palace fountains flowers trees quinta regaleira mysterious symbolism nio augusto carvalho monteiro hidden passages secret chambers symbols lakes grottos beautiful intricate world site located