When it comes to a cruise holiday, Royal Caribbean is one of the best ... entertained aboard Wonder including its 10-storey Ultimate Abyss waterslide and there are also amazing water-filled ...

Oasis of the Seas, from Royal Caribbean International ... and a giant slide called the Ultimate Abyss. This 10-story thriller is the tallest slide on the high seas. —Ellen Nam ...

Cabins Royal Caribbean ships offer four different types ... and a 10-story slide called the Ultimate Abyss. Other vessels come equipped with rock climbing walls, ice rinks and wave pools.