Nobody wants this enormous $27.5 million mansion near San Francisco's 'Billionaire's Row'

· A gargantuan mansion in the ritzy San Francisco Cow Hollow neighborhood is for sale for $27.5 million.
· The seven-bedroom home at 2820 Scott Street has sat idly on the market since 2008, the same year it was chosen for the San Francisco Decorator Showcase.
· It bears a stunning, ornate design throughout, which is a far...