- Six Flags Great Adventure, Kingda Ka
- 139 kilometre(s) per hour
- United States (Jackson)
Kingda Ka at Six Flags Great Adventure near Jackson, New Jersey, USA, reaches a maximum height of 139 m (456 ft) above ground level, making it the world's tallest roller coaster. It opened in Spring of 2005 and is also the world's fastest coaster, with riders reaching 206 km/h (128 mph) just seconds after launch.