Set sail from Singapore on Norwegian Sun for an unforgettable holiday at sea. At the Samui Elephant Sanctuary, located on the island of Ko Samui, you can learn about these incredible animals and can see them up close. Explore an underground labyrinth on a tour of the Cu Chi Tunnels or stay above ground to take in the highlights of the bustling city of Ho Chi Minh City (Phu My). Then find your slice of paradise on one of Boracay Island's famous powdery white-sand beaches and enjoy a dip in its tranquil waters. In Hong Kong, explore modern marvels and ancient wonders as temples and street markets intersect with ultra-sleek high-rise buildings.