A Ferris wheel was a ride. It was often found in amusement parks.
Hedgewick's World of Wonders used to contain a Ferris wheel. (TV: Nightmare in Silver) The London Eye was a giant Ferris wheel. (TV: Rose)
A bomb was attached to a Ferris wheel which K9 and Starkey disarmed. (TV: The Bounty Hunter)
At the 1893 World's Fair, held in Chicago, Valarie Lockwood and Roanna spent part of a date riding the world's first Ferris wheel. Things went sour when Frank Garcia, an employee at the Lockwood Foundation, attempted to assassinate Roanna, mutating into an energy-hungry monster when he failed. (AUDIO: All's Fair)