You've climbed the Eiffel Tower, strolled along the Seine, and lost a staring match to the Mona Lisa. What else can you do in Paris? Then it hits you – a water park! And not just any water park: Aquaboulevard! The largest water park in Paris is easily one of the best in Europe. Fly down slippery waterslides, surf massive waves, and chill in a jacuzzi.