Ain Dubai, also known as the Dubai Eye, is the world's largest observation wheel.
The Baku Ferris Wheel, also known as the Baku Eye, offers panoramic views of the city and the Caspian Sea.
The Sun of Moscow is a monumental sculpture located in the Russian capital.
The Budapest Eye offers breathtaking views of the Hungarian capital.
The Wiener Riesenrad is a giant Ferris wheel located at the entrance of the Prater amusement park in Leopoldstadt, Vienna.