Although there are numerous historical churches throughout the city of Barcelona, ​​it is without doubt the basilica I Expiatori Temple de la Sagrada Familia, who steals the show. This sizeable Roman Catholic church was designed by the Catalan architect and accomplished hands of modernism figurehead Antoni Gaudi and now ranks as a UNESCO World Heritage Site, although the structure is actually incomplete and never fully finished. Serving as the seat of the Archbishop of Barcelona, ​​the Cathedral of the Holy Cross and Saint Eulalia another striking building. This cathedral was built between the years of 1298 and 1460 on the site of an historic Visigoth chapel. The neo-Gothic facade was added a few years later in 1870, is based on an original design in 1408 and has many complex functions. In particular, it is known for its numerous roof gargoyles, which consist of a series of mythical creatures and animals.