On New Zealand's North Island alone, you can hike to the top of a live volcano at Tongariro National Park or take a scenic boat tour over a massive volcanic caldera at Lake Taupō. Still ...
where hikers willing to endure a couple of hours trudging up scree can make a side trip to the top of the volcano. The main route ascends the slopes of Tongariro to the top of Red Crater.
It is one of the most active and powerful volcanic systems on Earth, responsible for some of the largest eruptions in history ...