Top 10 biggest Churches in the world + where they are located (With Pictures)

9.  Basilica – Cathedral of Our Lady of the Pillar – Spain

Located in Zaragoza, Aragon, Spain, the Cathedral of Our Lady of the Pillar took many years to build.  Multiple churches were built on the land, which is reportedly the resting place of Saint James, over the years.  The current cathedral was constructed from 1681- 1872 and has an interior space of 86,543 square feet. SEE ALSO: The 10 most beautiful Mosques in the world and where they are located (With Pictures)