Almourol Castle on the Tagus River, Ribatejo, Portugal, Europe

photography vertical color image travel destinations travel outdoors day almourol castle tagus river river water castle fortress built structure architecture ribatejo portugal europe no people hill landscape rock tree nature reflection clear sky sky city urban scene architectural castles fort forts fortified fortification history historic historical travel destination tourist destination tourist destinations cities urban daytime hills physical geography outdoor outside rivers rocks rock formation rock formations trees