Roller coasters are often known for their speed. But in order to reach mind-numbing speeds, they have to first scale vertigo-inducing heights (at least that's true for traditional non-launched coasters). The world's ten biggest roller coasters listed here make the grade for having the ten tallest drops. read more
When it opened in 2005, Kingda Ka was the world's fastest (at 128 mph) and tallest roller coaster. It doesn't come close to the record for the world's longest coaster ride. In fact, at 50.6 seconds it may be one of the shortest. read more
Formula Rossa, the fastest roller coaster in the world Roller coasters are amusement rides developed for amusement parks and modern theme parks. During the 16th and 17th centuries, rides consisting of wooden sleds that took riders down large slides made from ice were popular in Russia. read more