One of London’s most recognizable and in-demand attractions, the London Eye welcomes millions of visitors every year. Save yourself any sightseeing hassle, and secure your admission before you travel, when you book your tickets in advance. Upon arrival, you’ll step into a large, air-conditioned capsule and will take to the skies. The London Eye stands at 443 feet (135 meters) high, and offers impeccable views of Big Ben, St. Paul’s Cathedral, Buckingham Palace, and other key landmarks. Tickets also include entry to the companion 4D Cinema Experience.