Six Flags announced it shut down the Kingda Ka and Green Lantern roller coasters to make way for two new rides including The Flash coaster.

Six Flags Great Adventure has shut down the Kingda Ka rollercoaster for good. Here's what led to Kingda Ka's demise.

The world's tallest and fastest roller coaster has retired. Six Flags Entertainment Corporation announced on Thursday it is retiring Kingda Ka at Six Flags Great Adventure in Jackson, New Jersey. The coaster held the title for world's tallest and fastest after it debuted in 2005,