Dunn's River Fall is one of Jamaica's national treasures.Waterfalls such as Dunn’s River Falls are described by geologists as “a living phenomenon” because its continuously rebuilt by the sediments in spring water.Cold mountain water cascades 1,000 feet (300 meters) down naturally terraced steps. Those interested in geology will be fascinated with the way the world-famous falls renew themselves via regular deposits of calcium carbonate and sodium, while movie movie buffs will recognise them from films such as ‘Dr. No’ and ‘Cocktail.'