Santuario Romano Cueva Negra.
The archaeological site of Cueva Negra is located about 3 km. away from Fortuna in the Sierra del Baño. It is an impressive set of three rocks shelters of outstanding scenic interest and a pagan sanctuary. An important number of Latin text with painted inscriptions called "tituli picti" can be found inside - the oldest fragments of Virgil's Aeneid among them.