El Dorado is the name of a mythical country of gold which was supposedly in South America.

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El Dorado is also the name of several places in the United States of America named after the El Dorado of myth:

• El Dorado, Arkansas
• El Dorado, Kansas
• El Dorado County, California

There are also:

• El Dorado Hills, California
• El Dorado Springs, Missouri

Other places are spelled Eldorado.

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El Dorado is also the name of a fictional superhero who was a member of the Super Friends, an animated television series.

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El Dorado is also the title of several works of fiction:

• A poem by Edgar Allan Poe, written in 1849;
• A 1966 movie starring John Wayne, Robert Mitchum and James Caan, set in Old West-era Eldorado, Texas.
• Eldorado is a BBC soap opera
• The Road to El Dorado is an animated film by Dreamworks SKG.

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El Dorado is a notorious prison in eastern Venezuela, made famous by Papillon (book).

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The mythical El Dorado is also spelled as Eldorado.