Forget about swim-up bars and elegant infinity pools. Today’s coolest hotel pools flaunt jaw-dropping, quirky amenities like sharks on the other side of a glass wall or the image of Andy Warhol’s face on the floor below. Forget about those old kidney shapes, too. These days a pool may be saucer-shaped, or a glass cube. 

Tired of the same-old aquamarine water? Imagine swimming in water that’s blood-red, or gold. From Las Vegas to Austria, from Manhattan’s bustling Lower East Side to tranquil Tibet, here are some of the world’s weirdest hotel pools.