Santillana del Mar is a picturesque town located in the Cantabria region of northern Spain. Known for its medieval architecture, the town features cobblestone streets and charming stone buildings. One of its most notable sites is the Colegiata de Santa Juliana, a Romanesque church dating back to the 12th century. The town is also famous for its proximity to the Altamira Cave, which contains prehistoric cave paintings. Santillana del Mar attracts many visitors each year, offering a glimpse into Spain's rich history and culture. Its scenic beauty and historical significance make it a popular destination for tourists.