Imagine a South Pacific island where you can explore dramatic chasms, snorkel in crystal-clear waters, and dive into the vibrant Polynesian culture. Welcome to Niue - the world's largest uplifted coral atoll and a hidden gem in the region. This tiny nation offers unique adventures that will leave you captivated and craving more. But what are the must-do activities that will make your Niuean experience unforgettable?