300-year-old treasure coins from the world's richest shipwreck reveal hidden secrets and lost royal treasures.

In a softly lit crypt beneath the chapel of the U.S. Naval Academy ... neat and formal as an 18th-century engraving, sloping gently toward the Luxembourg Palace. In a third-floor apartment ...

A scuba diver off Sicily, Italy, found a ship rudder and cannon linked to a historic 18th century naval battle, officials said and photos show. Screengrab from a Facebook video shared by Siracusa ...