Long Hai Beach has a rich history, and there are several historical sites worth visiting during your trip. One of the must-see attractions is the Minh Dam Revolutionary Base, which played a significant role during the Vietnam War. You can explore the underground tunnels, learn about the history of the base, and see artifacts from that era. Another historical site is the Long Hai Citadel, a fortress built during the Nguyen Dynasty. The citadel offers panoramic views of the surrounding area and provides insight into the region's past. By visiting these historical sites, you'll gain a deeper appreciation for the cultural heritage of Long Hai Beach.