Festivities of Josa Activity · Josa, Cuencas Mineras, Teruel Image of Josa, not of the place itself. The festivities of Josa are celebrated in a town known for its paleontological wealth: in 1994 the La Cantalera site was located, one of the most important dinosaur sites in the province of Teruel, and since 1977 the town has had a museum displaying more than two hundred fossil species. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Josa