Outlandish Rijeka, A Walk in Memories i Math Behind the Walk are exhibitions presented within the project Both Ways - Art and Science beyond frontiers, Science in the City Festival, ESOF, European city of Science Trieste 2020 and European Capital of Culture Rijeka 2020 in collaboration Trieste Contemporanea, the Center for Innovative Media APURI and the Department of Mathematics UNIRI as well as other partners from Hungary, Romania and Serbia. The exhibitions were presented at Magazzino 26, Porto Veccio in Trieste and at the Academy of Applied Arts of the University of Rijeka