The London Eye or the Millennium Wheel in London

The London Eye, or the Millennium Wheel, is a cantilevered observation wheel on the South Bank of the River Thames in London. It is Europe's tallest cantilevered observation wheel and the most popular paid tourist attraction in the United Kingdom with over three million visitors annually. It has made many appearances in popular culture. The structure is 135 metres (443 ft) tall and the wheel has a diameter of 120 metres (394 ft). When it opened to the public in 2000 it was the world's tallest Ferris wheel. Its height was surpassed by the 160 metres (525 ft) Star of Nanchang in 2006, the 165 metres (541 ft) Singapore Flyer in 2008, the 167 metres (548 ft) High Roller (Las Vegas) in 2014, and the 250 metres (820 ft) Ain Dubai in 2021. Supported by an A-frame on one side only, unlike these taller examples, the Eye is described by its operators as “the world's tallest cantilevered observation wheel“. The Eye offered the highest public viewing point in London until it was superseded by