View over Danube River to the Royal Palace, Buda Castle, UNESCO World Heritage Site, Budapest, Hungary, Europe

travel destination photography horizontal colour image europe outdoors building exterior architecture clear sky blue palace hungary hungarian culture budapest capital cities danube river river day unesco world heritage site unesco castle buda castle 18th century old the past history national landmark dome boat incidental people city colour color image color outside tourist destination travel architectural landmark place of interest background people people in the background historical historic heritage cultural culture unesco world heritage sites world heritage site world heritage sites domes domed capital city cities typically hungarian traditional culture tradition traditional traditionally hungarian traditionally hungarian european