Auckland, the biggest city in Polynesia, is situated in the north of North Island between two harbours. The city has been named the most multicultural one on earth and boasts a lively modern centre as well as spectacular natural attractions. At the Sky Tower, the tallest free-standing tower in the Southern Hemisphere, dine in a revolving restaurant or get involved in pulse-quickening base jumping or Sky Walking. Further adrenaline can be found at the famous Rainbows End theme park, as well as along the harbour (with watersports), at diving spots the (Great Barrier Reef and Goat Island Marine Reserve) and among the string of 45 volcanoes found here. Explore superb art galleries, live music venues, restaurants, and shops or picnic at the gorgeous Auckland Botanic Gardens. Animal lovers will enjoy visiting Kelly Tarlton's Underwater World.