Getting certified to scuba dive is like getting your underwater driver's license. Suddenly, new worlds open up to you filled with colorful coral, schools of tropical fish swimming in unison, and even sharp-toothed sharks. The following ten hotels are great for divers, allowing enthusiasts to explore everything from a former Missouri lead mine to wrecks of downed Japanese warships and airplanes. So pack your wet suit and enjoy the top 10 diving resorts worldwide.