Queens Terrace in foreground and Clock Tower, Penna National Palace, Sintra, UNESCO World Heritage Site, Portugal, Europe

travel destination photography vertical colour image unesco world heritage site clock tower sintra portugal europe queens terrace outdoors day building exterior architecture low angle view portuguese culture old the past history unesco pena palace castle national landmark 19th century red tower clock no people colour color image color outside tourist destination travel architectural nobody no one no one low angle from below looking up landmark place of interest historical historic heritage cultural culture unesco world heritage sites world heritage site world heritage sites typically portuguese traditional culture tradition traditional traditionally portuguese