Barcelona is best known among architecture aficionados for the Modernisme Movement and its master, Antoni Gaudí. The famous architect’s pièce de résistance is Sagrada Família. Construction of the minor basilica began in 1882. The estimated completion date is 2026 – one hundred years after Gaudí’s death. Crowds of tourists come to stare at the enormous spires at this UNESCO World Heritage Site. The tallest tower of the 18 planned will be 560 feet tall.