Speed Demons

Get ready to fly at the speed of fear. These are some of the fastest roller coasters on the planet, reaching speeds of up to 128 miles per hour.

Don't miss the new season of Insane Coaster Wars: World Domination.

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Diamonback rollercoaster at King's Island
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Insane Coaster Wars Pictures : Insane Coaster Wars : Travel Channel

From California to Idaho, Virginia to Florida, check out the craziest rollercoasters in America featured on Insane Coaster Wars.