In the Old Town, opposite Yverdon's 13th-century château, is this unique science-fiction museum, with a mock-up of a spaceship and a room dedicated to the late HR Giger (of Alien fame). Masses of material deals with the science-fiction worlds of figures ranging from Homer to Jules Verne. The latter section is separate and contains models of the fantastical vehicles Verne dreamt up in his novels. The museum only opens when a temporary exhibition is on.