Here’s a question: Are the coolest pools the ones that offer the best respite on days when you feel that you’re about to overheat, or the ones that make the best use of creative and innovate design? While you could argue it either way, at these stunning creations, you won’t have to choose. Located across the world, these unique dips are sure to impress both the swimmer and the design aficionado. Even better, there’s more than one world record holder on this list—from the deepest pool to the tallest outdoor one—making them that much more alluring. Below, AD visits nine incredible pools around the globe, each overwhelmingly worthy of its cool factor.