La Sagrada Familia

After 136 years of construction of the temple, it was revealed that it was being built without a formal permit.

An excerpt from the article 22 facts about La Sagrada Familia
Maybe not entirely true, as Gaudi had obtained the appropriate permit from the municipal authorities of Sant Marti de Provenals, which is now part of Barcelona. Barcelona authorities in 2019 approved the decision to grant permission to build in the city and, according to an agreement with the diocesan curia, a sum of 36 million euros will flow into the city coffers from the basilica authorities over ten years.