Fans from each park rank the world's fastest roller coasters; Formula Rossa at Ferrari World, Superman – Ride of Steel at Six Flags America, Shambhala at PortAventura, and Tatsu at Six Flags Magic Mountain.

Fans from each park rank the top coasters; Blue Fire at Europa-Park, Intimidator 305 at Kings Dominion, Tower of Terror II at Dreamworld amusement park, and Titan at Six Flags Over Texas.

Fans from each park rank the top coasters; Leviathan at Canada's Wonderland, Griffon at Busch Gardens Williamsburg, Colossos at Heide Park, and Skyrush at Hersheypark.

Fans from each park rank the top coasters; Dodonpa at Fuji-Q Highland, Nitro at Six Flags Great Adventure, Expedition GeForce at Holiday Park, Texas Giant at Six Flags Over Texas.

Fans from each park rank the top coasters; Furius Baco at PortAventura, Volcano: The Blast Coaster at Kings Dominion, Takabisha at Fuji-Q Highland, and Maverick at Cedar Point.

Fans from each park rank the top coasters; Superman Escape at Warner Bros. Movie World, X2 at Six Flags Magic Mountain, iSpeed at Mirabilandia, and X-Flight at Six Flags Great America.

Insane Coaster Wars travels to Italy where riders are launched up a 147-foot-high loop, then it’s on to Canada for a 540-degree helix, and finally to the US for the world’s first hypercoaster, lifting riders over 200 feet into the air. Which coaster will earn the title of ‘Most Insane’? Katun at Mirabilandia, Magnum XL-200 at Cedar Point, Behemoth at Canada's Wonderland, and Batwing at Six Flags America.

Dangling coaster Katun drops and rolls passengers in the Italian skies.

Dangling coaster Katun drops and rolls passengers in the Italian skies.