Possible Clues:

• 1967 John Wayne film
• Loaded, or otherwise, in a place of great wealth
• Drunken ordeal and party in fabulous place
• Fabled city of gold
• The Spanish act on road repairs in fabulous country
• What would girl do at last with all the gold there?
• 'Imaginary place of great wealth and opportunity (2,6)'
• Imaginary place of great wealth in South America
• Legendary treasure site
• Place that could be loaded with gold stashed away