St. Nicholas Chapel on Cais da Ribeira, Porto City, Portugal, Europe

The Cais da Ribeira area of Porto at sunset, UNESCO World Heritage Site, Porto, Portugal, Europe

Time Out Market is a popular food hall located in Mercado da Ribeira at Cais do Sodre, Lisbon, Portugal, Europe

Cais da Ribeira with a view of the Ponte de Dom Luis I, Dom Luis I Bridge, Ribeira Quay, at back the Mosteiro da Serra do Pilar Monastery, Vila Nova de Gaia, Rio Duoro River, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

Cais da Ribeira with a view of the Ponte de Dom Luis I, Dom Luis I Bridge, Ribeira Quay, at back the Mosteiro da Serra do Pilar Monastery, Vila Nova de Gaia, Rio Duoro River, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

Cais da Ribeira with a view of the Ponte de Dom Luis I, Dom Luis I Bridge, Rio Duoro River, Ribeira Quay, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

Cais da Ribeira, facing the bridge Ponte de Dom Luis I, Ribeira Quay, behind the monastery Mosteiro da Serra do Pilar, Vila Nova de Gaia, Rio Douro River, Porto, a UNESCO World Heritage Site, Portugal, Europe