You'll instantly feel Bilbao's cool, avant-garde vibe – this city definitely has a modern edge! Once an industrial powerhouse, Bilbao has brilliantly reinvented itself as a global leader in urban design and a true success story in urban regeneration. If we had to pick one thing that really put Bilbao on the map internationally, it's got to be the Guggenheim. There's no denying it's been a total game-changer since it was built.> Our tour kicks off in Bilbao's charming Casco Viejo, and of course,