Treasure is a concentration of wealth — often originating from ancient history — that is considered lost and/or forgotten until rediscovered. Some jurisdictions legally define what constitutes treasure, such as in the British Treasure Act 1996.
Treasure of Villena, one of the most important prehistoric golden tableware findings in Europe
Howard Pyle's illustration of pirates burying Captain Kidd's treasure, from Howard Pyle's Book of Pirates
Treasure hunting is the physical search for treasure. For example, treasure hunters try to find sunken shipwrecks and retrieve artifacts with market value. This industry is generally fueled by the market for antiquities.
Massachusetts treasure hunter Sir William Phips raising treasure found from a Spanish shipwreck in 1687.
McKee's Museum of Sunken Treasure, Treasure Harbor, Plantation Key, Florida
Treasure hunter Heinrich Schliemann