On the ground floor of Palazzo Collicola, until November 2, 2025, it is possible to visit Festival of Two Worlds. Posters 1958-2025: an exhibition section dedicated to the posters of the Festival created from 1958 to the present day, a journey through the history of art and that of the Festival. Balthus, Daniel Buren, Alberto Burri, Enzo Cucchi, Willem De Kooning, Niki de Saint Phalle, Helen Frankenthaler, David Hockney, Jasper Johns, Anish Kapoor, Joan Miró, Luigi Ontani, Cy Twombly, Emilio Vedova are just some of the great artists who have signed the posters over the course of the 68 editions. The exhibition is made possible thanks to the unprecedented collaboration between the Civic Museums of Spoleto, The Festival of Two Worlds, and the University of West Georgia, an institution long linked to Spoleto, which with its contribution has helped to enhance this valuable heritage.