Caesars' fanciful nod to ancient Roman marketplaces houses 160 designer emporia, including catwalk wonders Balenciaga, Chanel, Jimmy Choo, John Varvatos and Versace; trend-setting jewelry and accessory stores; and specialty boutiques such as Agent Provocateur lingerie and Inglot cosmetics. Don't miss the spiral escalator, a grand entrance for divas strutting off the Strip.