La Sagrata Familia

Gaudí’s work enjoys global popularity and continuing admiration and study by architects. His masterpiece, the still-incomplete Sagrada Família, is the most-visited monument in Spain.[4] Between 1984 and 2005, seven of his works were declared World Heritage Sites by UNESCO. Gaudí’s Roman Catholic faith intensified during his life and religious images appear in many of his works. This earned him the nickname “God’s Architect”[5] and led to calls for his beatification.[5][6]  

La Sagrata Familia is the most famous of Gaudí’s works.  This church has been in construction since 1892, and it’s not expected to be finished until 2030.  The church presents an excellent depiction of the relationship between man, nature, and religion through its architecture and façade sculptures. Climbing one of its towers will give you a unique view of Barcelona.  Take the audio tour, is very informative and it’s well worth it.  Also, due to its popularity, long queues are to be expected, so you can skip the line by going with many of the tours.