Unfinished building is Antoni Gaudí's Sagrada Família in Barcelona, a church that has been under construction since 1882, and that is now expected to be complete in 2026. There are numerous unfinished buildings that remain partially constructed in countries around the world, some of which can be used in their incomplete state but with others remaining as a mere shell. Some projects are intentionally left with an unfinished appearance, particularly the follies of the late 16th to 18th century. Some buildings are in a cycle of near-perpetual construction, with work lasting for decades or even centuries. Antoni Gaudí's Sagrada Família in Barcelona,
Sagrada Família Schools Sagrada Família Schools The Sagrada Família Schools (, ) building was constructed in 1909 by the modern Spanish architect Antoni Gaudí near the site of the Basilica and Expiatory Church of the Sagrada Família. It was a small school building for the children of the workers building the Sagrada Familia although other children of the neighborhood attended, especially from the underprivileged classes. The building has a rectangular footprint of by , and contains three classrooms, a hall, and a chapel, with lavatories in an addition to the building. The construction was done with a brick facade, in three overlapping layers,