Initially, the Aladdin was only a hotel called the Tallyho, which tried to add a casino in 1963. Photo source: Wikimedia Commons via Forest & Kim StarrĪlthough Planet Hollywood Las Vegas opened in 2000, its on the site of the previous Aladdin hotel and casino, which traces its history to 1962. Year Opened: casino opened in 1966, but hotel built on December 24, 1962