Antilla Mubai - $1 Billion

"With double height ceilings, retractable stages, and 600 servants, no other home on earth compares to the 570 ft tall Antilla."

 

Spelling Manor - Los Angeles, CA

$150 Million

A 123-room mega-mansion, Spelling Manor sits on 4.7 acres and features a 17,000-sq ft attic with a barbershop and salon, rooftop garden, two-lane bowling alley, service wing with staff quarters, China room, gift-wrapping room, and wine tasting room.

 

"Ranked most expensive home for sale in 2011."