Portugal’s second city is famed for its well-preserved medieval core, baroque churches and a string of six graceful bridges crossing the Douro River, one designed by the great Gustave Eiffel. Less well-known is that Porto is a hub of contemporary architecture. The city is home to two winners of the Pritzker Prize, architecture’s greatest accolade, Álvaro Siza Vieira and Eduardo Souto de Moura; both are on the faculty of the acclaimed University of Porto School of Architecture. We’ve selected a few key Porto landmarks that will deepen your appreciation of the city and the creative geniuses who shaped it.