Park Güell was a project to build an urbanization with 60 plots for well-to-do families but it ended up being a public park because the initiative was unfeasible. Built between 1900 and 1914 and the City Council bought it in 1922 and it was declared a World Heritage Site by UNESCO in 1984. Walking through the Hypostyle Hall formed by 86 Columns that support the large Upper esplanade and that overlooks the main staircase (of the Dragon).