As Barcelona's iconic Sagrada Familia prepares to host Pope Leo XIV during his visit to Spain, attention is once again focused on Antoni Gaudi's unfinished masterpiece. Marking the centenary of Gaudi's death, the papal visit highlights the basilica's enduring spiritual and architectural significance. With its newly completed Jesus Christ Tower now standing as the tallest church structure in the world, the Sagrada Familia continues to inspire millions of visitors and remains a powerful symbol of faith, creativity, and Barcelona's identity.