Peer down to the bottom of this shimmering New Zealand wonder after making the arduous journey to explore the hidden waterfalls and vibrant forestry.

In New Zealand’s Nelson Lakes National Park, about 1,200 meters (4,000 feet) above sea level and a two-day hike from nearest civilization, lies Rotomairewhenua, or Blue Lake. (CNN/Janet Newel) ...

Abel Tasman National Park may be New Zealand’s smallest (87 square miles), but it’s one of the most popular. Fringing the coastline, it offers an explosion of color—gold sand, jade ocean ...