Phuong Hoang Cave is a hidden gem in Nghe An, perfect for couples seeking a unique and romantic experience. This cave is known for its stunning stalactite formations, which create a magical atmosphere. Take a guided tour inside the cave and marvel at the intricate rock formations illuminated by colorful lights. The cave also has a small lake, adding to its charm. You can take a boat ride on the lake and enjoy the peaceful surroundings. Don't forget to bring a camera to capture the mesmerizing beauty of this natural wonder.