The London Eye is a giant Ferris wheel located on the South Bank of the River Thames in London. It is the tallest Ferris wheel in Europe and offers stunning views of the city. Visitors can take a 30-minute ride on the wheel, which stands at a height of 135 metres
From Wikipedia
The London Eye, originally the Millennium Wheel, is a cantilevered observation wheel on the South Bank of the River Thames in London. It is the world's tallest cantilevered observation wheel, and the most popular paid tourist attraction in the United Kingdom with more than three million visitors annually. It has been featured numerous times in popular culture.