World's Tallest Ferris Wheels - Slideshow

3. The London Eye

London, England

How Tall: 135 meters (about 443.9 feet)

Did you know that the London Eye has had several different sponsors? At different times, its title bore the names "British Airways" and "Merlin Entertainments." It will even sport the Olympic emblem during the games this summer. Regardless of its official name, the Eye attracts about 3.5 million visitors every year.

Find out more about:

• London Hotels
• The Best Things to Do in London

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• World's Tallest Ferris Wheels

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