ruins of the ancient city of Oba and which, due to its easy defense and strategic location, especially in times of Muslim domination and above all, due to its border position, will reach its maximum splendor. The castle was taken by the Jerezan people in 1430, reconquered by the Granadines in 1451 and definitively integrated into the Crown in 1456. Inside there is a cemetery with two mass graves from the Civil War. It consists of an elongated irregular wall to adapt to the terrain at the top. With watchtowers arranged in sections, the set of the Torre del Reloj (or Albarrán) stands out, with a bent entrance arch and cisterns from different periods. The Alcázar also stands out, renovated after the Christian capture, with its airy and circular keep, which inside hides a previous one with a polygonal plan. Monuments Declared a historical artistic complex in 1983 by the State and ratified by the Junta de Andalucía's 84/2004 decree, the artistic and monumental heritage of Jimena de la Frontera is extensive: Civil Monuments Cave paintings at the La Laja Alta Cave, where you can see a sample of prehistoric art. La Laja Alta is a shelter at the bottom of the Garganta de Gamero, on a siliceous sandstone slope, with cave paintings of schematic art. Anthropomorphic figures, quadrupeds, geometric motifs, symbols and a complete naval scene in the lower part are situated on the walls: with red and black strokes made with the fingers, with eight ships whose shapes, varied in size and elements of navigation, dates it possibly prior to 4000 BCE. This cave is the only one where maritime scenes with groups of ships are represented. Necropolis of Buceite: There are archaeological remains of a Byzantine necropolis near San Pablo de Buceite, where funerary remains and coins have been found. In the 1950s a Byzantine tomb was found on the Los Zarzales hill and inside there was a clay pot and a bronze oil lamp, of Byzantine origin, which can be placed chronologically between the 6th and 7th centuries. The lamp is in the Municipal Museum of San Roque. Baño de la Reina Mora (Bath of the Moorish Queen): Behind the castle, there are remains on the ground, probably of a Mozarabic church carved out of living rock. The Baño de la Reina Mora is shaped like a bath, the reasoning behind its name. Most likely, it