World's Craziest and Highest Roller coaster - The Xscream!
X-Scream is a ride comprising a 69-foot straight piece of track similar to that of a conventional roller coaster, which carries a single open top car. This trackway pivots vertically in a see-saw motion, letting the car roll backward and forward along the length. The ride car is allowed to roll quickly forward to the end of the track, 27 feet (8.2 m) past the edge of the building,[1] before braking sharply. The rolling back and forth of the car and the rocking of the track is programmed to take the rider by surprise and feel like they are at risk of falling from the precipice of the building.