The London Eye is a giant Ferris wheel located on the South Bank of the River Thames in London, United Kingdom. It is also known as the Millennium Wheel, as it was built to commemorate the turn of the millennium. The London Eye was designed by architects David Marks and Julia Barfield and was opened to the public on March 9, 2000.

The London Eye is 135 meters (443 feet) tall and has a diameter of 120 meters (394 feet). It has 32 passenger capsules, each of which can hold up to 25 people. The capsules are made of glass, allowing for a panoramic view of London. A full rotation of the London Eye takes about 30 minutes, and on a clear day, visitors can see up to 40 kilometers (25 miles) in all directions.

The London Eye has become one of the most popular tourist attractions in London, with more than 3.75 million visitors annually. It is often used as a symbol of London, appearing in movies and television shows, and is an iconic part of the city's skyline. In addition to the regular ride, the London Eye also offers several different experiences, including a champagne experience, a private capsule experience, and a 4D cinema experience.

The London Eye is located near other major attractions, such as the Houses of Parliament, Westminster Abbey, and the Tate Modern art museum. It is easily accessible by public transportation, including the London Underground and several bus routes