Video: A Behind-The-Scenes Look at Harmony of the Seas' Ultimate Abyss
Towering over 150 feet above sea level, the Ultimate Abyss launches thrill seekers into a serpentine of twists and turns on the world's biggest ship. Guests climb to the slide's glass platform, taking in the view from the top of the tallest slide at sea. From there, sliders launch into 216 feet of tunnels, whizzing past multi-sensory effects and blast onto the Boardwalk 10 decks below. Get a behind-the-scenes perspective on the adventure that is the Ultimate Abyss.