Our second day in Barcelona was for one thing and one thing only: Catalan Modernist architect, Antoni Gaudí. I cannot overstate the importance of this artist to the Catalan culture. We started our self-guided architecture tour with perhaps his most famous achievement: La Sagrada Familia. The soaring, exuberant basilica is a UNESCO World Heritage Site that’s (famously) one hundred forty years in the making (which is longer than it took to build the Pyramids!) Construction on La Sagrada Familia began in 1882, and isn’t expected to be completed until 2026, which is the centenary of Gaudí’s death. A site of controversy, Catholicism, architecture, and art, the basilica is probably one of the most-visited…