Ethnological Museum of Macroschematic Art of Petracos Monument · Castell de Castells, La Marina Alta, Alicante Image of Castell de Castells, not of the place itself. Museum devoted to the Pla de Petracos, a Neolithic sanctuary with Macroschematic rock paintings declared a UNESCO World Heritage Site, in the municipal district of Castell de Castells. Photo: Joanbanjo (CC BY-SA 3.0) What to see and do in Castell de Castells