Castro's Secret Reef

Cuba's enforced isolation has resulted in the unlikeliest of marine reserves: a huge rambling archipelago known as Jardines de la Reina or "Gardens of the Queen." Stretching around 140 miles along the southern coast of Cuba it's one of the longest barrier reef systems in the world. Get an up-close look at Fidel Castro's diving playground a forgotten ocean paradise unseen for half a century and witness exotic species rarely seen elsewhere in the region. It's the lost jewel of the Caribbean but how long can this pristine wilderness survive?