
The High Roller, a new Ferris wheel in Las Vegas, is 550 feet tall- the tallest &ldqu... ...is 550 feet tall- the tallest “observation wheel ” in the world! The wheel is 520 feet in diameter, and each of its 28 cabin... ...old 40 passengers for a half-hour trip...
http://www.neatorama.com/2014/04/08/World-Record-Ferris-Wheel-Opens-in-Vegas/