While not as big or as impressive as Angkor Wat, another UNESCO World Heritage Site, My Son Hindu Sanctuary is still epic and should be added to your Vietnam itinerary. Fon Nha Caves, located in Phong Nha Kebang National Park, can be visited as part of a day trip or expedition of up to 5 days. The abandoned water park is a UNESCO World Heritage Site and one of the best places to visit in Vietnam....