Is there anything better than dipping your toes in the pool on a hot day? When your skin gets into that cool water it can truly feel like bliss. Maybe even swim some laps or just relax in the shallow end to soak up some rays. And while all of that sounds nice, there are some pretty extreme pools out in the world.

So extreme, in fact, that they’re downright scary! Whether they’re floating on the edge of a cliff or dangling hundreds of feet above the bust streets, they’re enough to make the hair on the back of their neck stand on end. So hold your breath and join us for today’s video, where we countdown the top 15 scariest swimming pools in the world!