There are few places on Earth like Spain in the summer. Sea, sand and sun in plentiful supply, the coastlines of this Western European country are some of the biggest and most popular tourist attractions in the world. But aside from the stunning and varied spots offered up by the Costa Blanca, Costa del Sol and the northern Austurian and Basque beaches, there’s another great way to cool off with the crowds in the midst of the muggy months. How? Water parks. Spain has some of the most visited water parks on the entire continent. Here we take a look…