Top 22 most popular water parks in the world

Alpamare, Switzerland

Set in Pfaeffikon within the Canton of Schwyz, Alpamare stakes its claim as Europe's biggest covered water park, although it does have some outdoor heated pools too. Test out some of the 11 fun and themed waterslides – Iceexpress promises a chilly surprise while Tornado comes complete with light and sound effects. Then go for a rejuvenating soak in the salt bath that's heated to a blissful 36°C.