At Sagrada Familia Basilica and Expiatory Church of the Holy Family) is a large unfinished Roman Catholic church in Barcelona, designed by Catalan architect Antoni Gaudí (1852–1926). Gaudí's work on the building is part of a UNESCO World Heritage Site,and in November 2010 Pope Benedict XVI consecrated and proclaimed it a minor basilica,as distinct from a cathedral, which must be the seat of a bishop.