These 5 Ancient Treasures Were Discovered at Sea and in Sunken Shipwrecks

From treasures tossed overboard to items that went down with entire ships, here are five incredible artifacts discovered in oceans, sinkholes, and lakes. From treasures tossed overboard to items that went down with entire ships, here are five incredible artifacts discovered in oceans, sinkholes, and lakes. The Sciences All Articles | Discover Magazine