What is a famous monument of Cuba?

Also known as the Castillo del Morro, it is a UNESCO World Heritage Site and is one of the best-preserved examples of Spanish colonial military architecture in the Americas. The castle is located in the city of Santiago de Cuba and was built in the 17th century to protect the city from pirate attacks. The castle has a unique design, with a series of terraces that rise to a central tower. The castle also has a moat, a drawbridge, and a number of cannons. Today, the castle is a museum and a popular tourist attraction.