I WANNA GO! Grand Wailea Canyon Activity Pool Maui, Hawaii 25,700-square-ft wet playgrounds a destination in itself (guests receive a map upon entry). 9 pools at 6 levels (40 ft to sea level) connected by a river that carries swimmers along at varying speeds, lazy river currents to whitewater rapids. Highlights include 7 slides, grottoes, scuba certification pool, Tarzan pool w/ rope swing. The worlds only water elevator swimmers are lifted to the surface in a sealed chamber. Epic.
The deepest pool in the world, named the Y-40 Deep Joy, the pool is now the star attraction at the Hotel Millepini, located in the Montegrotto Terme resort area, near Venice. Reaches a depth of 42 meters (138 feet), a space that could easily accommodate a 13-story building