The title for Massimiliano Gioni’s Venice Biennale – an exhibition which is mostly wonderful, often magisterial and elegantly provocative – comes from a work by Marino Auriti, Enciclopedico Palazzo del Mondo (c.1950s). A model of this skyscraper is installed in the first room of the Arsenale. The Italian-American artist’s quixotic aim was for the building to house all the knowledge in the world; he estimated that it would cost about $2.5 billion to realize. Unsurprisingly, Auriti never found a backer, though he wrote plenty of letters, and even patented his design. For decades it languished in his garage. In 2003, 23 years after Auriti died, his granddaughters donated the model to the American Folk Art Museum in New York.