Possible Clues:

• Get-rich-quick place
• Lode of gold around the road
• Where to start digging gold in a lode that's rocky?
• Party radical shortly joining Electric Light Orchestra could be a gold mine
• Dole road may reveal area of unexpected wealth underfoot
• Fantasy location
• Site of fabulous wealth
• Where the doddering old dear with nothing became rich?
• Legendary treasure city
• Seems that either the Spanish or the artist might so for the gold there