Perched atop skyscrapers, suspended deep in the jungle, or set along the ocean's edge, some swimming pools offer a truly extraordinary experience. Here are some of the world's most exclusive swimming pools you can experience. The world's second-largest swimming pool at the San Alfonso del Mar resort. Golden Nugget hotel pool, Las VegasThe Golden Nugget hotel's swimming pool offers a truly unique experience. Frequently ranked among the world's most beautiful swimming pools, its design echoes the curves of Bali's famous terraced rice fields.