What is the highest roller coaster in the world?

Roller coasters are all about out-of-control speed and crazy heights. Get the lowdown on the world's 10 tallest coasters. 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

As the current tallest roller coaster made in steel, Kingda Ka is located at Six Flags Great Adventure in Jackson, New Jersey, and opened in 2005. It is the tallest steel-construction roller coaster in the world at a height of 456 feet. read more