Top 10 biggest churches in the world and where they are located (With Pictures)

2.  Basilica of Our Lady of Aparecida – Brazil

Brazil has the largest population of Catholics in the world, and it is home to the largest Marian pilgrimage, as well.  The Basilica, which took almost 35 years to complete, receives upwards of 10,000 visitors per year.  The interior can hold up to 70,000 people at once, and measures 129,166 square feet. SEE ALSO: 14 secrets the Obamas’ don’t want you to know (With Pictures)