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 in traditional non-launched coasters). The world's ten biggest roller coasters listed here make the grade for having the ten tallest drops. Since some of the coasters have underground tunnels or are built into ravines, they aren't necessarily ranked as measured from their highest points to ground level. Heights are included for each coaster. No standing beyond this point as we click-clack-click up the world's tallest coasters.
Number 10: Bizarro (formerly known as Superman: Ride of Steel)- 221 Foot Drop
It may not be the tallest coaster (although 208 feet counts for something, right?). It's not the fastest either (but it's pretty darn fast). It is, however, the best IMHO.
Read a review of Bizarro.
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