El Dorado

From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): Any region of fabulous wealth; exceeding richness.

(2): A name given by the Spaniards in the 16th century to an imaginary country in the interior of South America, reputed to abound in gold and precious stones.

The Nuttall Encyclopedia [2]

The Land of Gold), a country which Orellana, the lieutenant of Pizzaro, pretended to have discovered in S. America, between the Amazon and Orinoco, and which he represented as abounding in gold and precious gems; now a region of purely imaginary wealth.