Hailed by Rudyard Kipling as "the eighth wonder of the world," breathtaking Milford Sound is the star of glacier-carved Fjordland National Park, providing an emerald-green and waterfall-rich backdrop for hiking, biking and kayaking. Frequent downpours only enhance this South Island beauty, sending numerous waterfalls cascading down the cliffs. Passionate nature lovers book in advance to hike the 33-mile Milford Track, a legendary route through alpine passes and temperate rainforest.