5. Be mystified by volcanoes
Admittedly, we instantly thought of Disney Pixar's Lava when writing this. Emerging from the sea millions of years ago by the brute force of volcanoes, Hawaii is one of the very few destinations across the globe where you can still see an active volcano.
A trekking tour is an exhilarating way to see these majestic formations up close, but for an experience that's truly unforgettable, take to the skies with one of the many helicopter tour groups on the islands.