Fans tour site of Six Flags Discovery Kingdom's new Joker

Posted | Contributed by Jeff

Six Flags Discovery Kingdom in Vallejo unveiled its newest ride on Friday, "The Joker," a purple and green, steel and wood, dual-track scream machine designed to whip thrill riders with new maneuvers and speeds of up to 53 mph.

Read more and see video from KNTV/San Francisco.

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