Jewels Of The Caribbean Sea - DVD

With a host of problems threatening the earth's surface, is underwater living a viable alternative? Meet the scientists who believe that permanently submerged colonies are not just possible, but imminent. National Geographic follows the scientists as they tackle the hypothetical challenge of housing 100 families below the ocean's surface and race to overcome obstacles such as bone-crushing pressures, ravaging storms and scalding volc

Twice each day, the rising tides of North America's Atlantic coast bring life to millions of exotic creatures. Journey through this incredible universe revealed by stunning aerial and underwater photography and discover how seemingly harmless sea stars, rays and sea horses attack their prey. Witness these and other remarkable marsh dwellers and their daily struggle for survival in Creatures of the Shallow Seas.

In 1622, the Spanish galleon Nuestra Senora de Atocha sank off the coast of Florida. In her hold, she carried 40 tons of gold and silver and some 70 pounds of emerald contraband. For more than 300 years, men have died trying to find her and her priceless cargo. Join modern-day treasure hunter Mel Fisher who, after a 16-year search, found the riches that so many have sought.