Phu Yen is rich in history and culture, with several historical sites worth visiting. One of the most significant sites is Nhan Tower, a Cham temple dating back to the 12th century. This ancient tower offers a glimpse into the region's past and provides panoramic views of the surrounding countryside. Another historical site is Xuan Dai Bay, which played a crucial role during the Vietnam War. Explore the remnants of the war and learn about the area's history. Phu Yen's historical sites offer a unique perspective on the province's heritage and are a must-visit for history enthusiasts.