Take a day trip to Vigan, a UNESCO World Heritage Site known for its well-preserved Spanish colonial architecture. Explore the cobblestone streets of Calle Crisologo, lined with ancestral houses and charming shops. Visit the iconic Vigan Cathedral and the Syquia Mansion, the ancestral home of former Philippine President Elpidio Quirino. Don't miss the chance to try Vigan's famous delicacies, such as empanada and longganisa.