The tallest ferris wheel in the world is the High Roller, which is located in Las Vegas, Nevada. The High Roller has a height of 550 feet (168 meters), and it was completed in 2014. It is currently the tallest observation wheel in the world.

The tallest ferris wheel in the world is the High Roller, which is located in Las Vegas, Nevada. The High Roller has a height of 550 feet (168 meters), and it was completed in 2014. It is currently the tallest observation wheel in the world.