Daidarasaurus was a steel roller coaster located at Expoland in Suita, Osaka, Japan. According to some sources, Daidarasaurus was the second longest roller coaster in the world, behind Steel Dragon 2000. For reasons explained below, other sources did not recognize Daidarasaurus's claim as longest roller coaster in the world from 1999 to 2000. Daidarasaurus has now been demolished as Expoland is now permanently closed.