Bilbao is an industrial port city in north-east Spain, in the Basque Country. It's the city where the Basque independent movement is more felt, with Basque flags everywhere. The Guggenheim Museum Bilbao, designed by Frank Gehry, is the most iconic building in the city, with it's curved lines and futuristic design. The Vizcaya Bridge in Portugalete is the world's first transporter bridge.