Treasure hunter – Today's treasure hunters operate in a billion dollar industry using the latest hi-tech tools, says Sean Tucker of U.S. based historical shipwreck company, Galleon Ventures
Underwater wreck – UNESCO estimates there are as many as 3 million sunken ships scattered across the bottom of the world's oceans.
Billion dollar loot – Emeralds, bullion and coins -- like these recovered from a 19th century Spanish vessel in the Atlantic Ocean -- are common finds on sunken shipwrecks, says Tucker.
Capital investment – Private investors have been eager to provide the capital to back increasingly specialized treasure ventures, says Tucker.
State of the art technology – As a result, companies such as Florida based Odyssey Marine are able to utilize advanced tools such as remote controlled ROV's to scour the ocean depths for treasure.