It’s the most expensive resort built on the Las Vegas strip in more than a decade. The Resorts World Las Vegas cost a whopping $4.3 billion to build. It boasts the world’s largest LED screen and features three hotels, with 3,500 rooms, and 40 restaurants and bars. You can do everything from your phone, from ordering food to betting at the craps table. The property sits where the iconic Stardust Hotel one stood, and it pays tribute to the history behind it.