National Basilica of the Sacred Heart

The National Basilica of the Sacred Heart is a Roman Catholic minor basilica and parish church in Brussels, Belgium. It is dedicated to the Sacred Heart, inspired by the Basilique du Sacré-Coeur in Paris. Symbolically, King Leopold II laid the first stone in 1905 during the celebrations of the 75th anniversary of Belgian independence. The construction was halted by the two World Wars and finished only in 1970. Belonging to the Metropolitan Archdiocese of Mechelen–Brussels, it is one of the largest churches by area in the world.

Located at the head of Elisabeth Park atop the Koekelberg hill, between the municipalities of Koekelberg and Ganshoren, the church is popularly known as the Koekelberg Basilica. The massive brick and reinforced concrete structure, in Art Deco style of neo-Byzantine inspiration, features two thinner towers and a nearly as high green copper dome that rises 89 metres above ground, dominating Brussels' north-western skyline.