Top 22 most popular water parks in the world

Lalandia Water Park, Denmark

As well the high-speed Twister and Tornado water slides, this water park in Billund also boasts Europe's longest "wild river". At 550-feet-long, it starts and ends in the indoor Aquadome but also winds around outside. The complex has a good variety of indoor and outdoor pools, as well as a sauna and a spa. Dare the kids to dive down in the secret cave pool to spot the tropical fish but watch out for the giant tipping bucket as you roam...