Castell de Peñíscola is a historic castle located in the town of Peñíscola, Spain. Built on a rocky headland, it offers stunning views of the Mediterranean Sea. The castle was originally constructed in the 13th century and later expanded by Pope Benedict XIII, who made it his residence in the 15th century. The castle features impressive stone walls, towers, and a well-preserved keep. It is a popular tourist destination, attracting visitors interested in its rich history and architectural beauty. The site is also recognized as a Cultural Heritage Site by the Spanish government.