You’ll probably need a month on a Royal Caribbean cruise to make the most of all the adventurous options it offers. The cruise brought the first ever skydiving simulator so you can learn how to practice this extreme sport. A glass wind box, which is 23 ft. tall, acts as the flight chamber. The view and feeling are incredible. You can also surf onboard, climb a 43 ft. high rock climbing wall, get your PADI scuba diving certificate, and zip line. Among the less adventurous experiences are ice skating, bar hopping and clubbing. Yes, all of these adrenaline-pumping activities happen onboard.