Cave of Altamira and Paleolithic Cave Art of Northern Spain

The Cave of Altamira and Paleolithic Cave Art of Northern Spain (Cueva de Altamira y arte rupestre paleolítico del Norte de España) is a grouping of 18 caves of northern Spain, which together represent the apogee of Upper Paleolithic cave art in Europe between 35,000 and 11,000 years ago (Aurignacian, Gravettian, Solutrean, Magdalenian, Azilian). In 2008, they were collectively designated a World Heritage Site by UNESCO. Chief among these caves is Altamira, located within the town of Santillana del Mar in Cantabria.

Source: Wikipedia — Cave of Altamira and Paleolithic Cave Art of Northern Spain (CC BY-SA 4.0)