What is the #1 scariest roller coaster in the world?
27 videos • 0 views • by Feel Virtual The #1 scariest roller coaster in the world is Kingda Ka at Six Flags Great Adventure, known for being the tallest and fastest roller coaster in North America. With a jaw-dropping height of 456 feet and a launch speed of 128 mph, Kingda Ka is considered the most terrifying roller coaster for thrill seekers and adrenaline junkies around the globe.