Netlfix’s Gold & Greed: The Hunt for Fenn’s Treasure takes three episodes and around three hours of screen time to tell the story of the late Forrest Fenn. An eccentric from Santa Fe, New Mexico, Fenn became a national celebrity after he announced that he’d hidden a chest filled with up to $2 million worth of gold and assorted baubles somewhere in the Rocky Mountains, setting off a search for the booty that spanned nearly a decade and obsessed untold thousands of fortune hunters…