A whistle-stop tour of the nominees.
World's biggest ferris wheels: High Roller, Las Vegas, US
High Roller, Las Vegas, US
The world's largest ferris wheel will open this spring and will form part of Sin City's new multi-million pound Linq entertainment district. Fact fans will be interested to know the following: the bearings used each weigh 8,000 kilograms and are the largest produced by the High Roller's design firm, the 28 iPod and television-screen equipped cabins will weigh in at 20,000 kilograms, and each rotation will take 30 minutes.