Journey Down Under on Norwegian Sun. Melbourne offers an ideal blend of a vibrant city surrounded by extraordinary landscapes and abundant wildlife - where you can indulge in fine dining and local wineries or hang with irresistibly adorable koalas and kangaroos. Then travel along the Dunedin Peninsula to the Royal Albatross Centre for a rare opportunity to see this incredible birds that boasts 10-foot wide wingspans and visit the historic Larnach Castle and explore its lush grounds. Outside of Tauranga, kayak across serene Lake Rotoiti, a sheltered waterway with abundant wildlife and natural geothermal pools and paddle through a glow worm-lit cave.