Dom Luis 1 bridge over the River Douro, Cais de Ribeira waterfront, with Vila Nova de Gaia opposite, Oporto, Portugal, Europe

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

Cais de Ribeira waterfront, Ribeira, Oporto, Portugal, Europe

Cais de Ribeira waterfront, Ribeira, Oporto, Portugal, Europe

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

Souvenirs for sale at Cais Ribeira overlooking the Dom Luis I bridge in Porto, UNESCO World Heritage Site, Portugal, Europe

Ribeira market, Food Court, Cais de Sodre, Lisbon, Portugal, Europe

Cais de Ribeira waterfront near the Ponte de Dom Luis I Bridge, Ribeira, Oporto, Portugal, Europe

Cais de Ribeira waterfront near the Ponte de Dom Luis I Bridge, Ribeira, Oporto, Portugal, Europe

Cais de Ribeira waterfront with Ponte de Dom Luis I Bridge, Ribeira, Oporto, Portugal, Europe

Cais de Ribeira waterfront, Ribeira, Oporto, 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, 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

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