Vortex (Kings Island)

Vortex is a steel roller coaster at Kings Island in Mason, Ohio. It was designed and built by Arrow Dynamics. It cost $4 million. The ride officially opened to the public on April 11, 1987. When it opened, Vortex was the tallest, full-circuit roller coaster with the highest drop in the world. It was also the first one where riders are upside down six times.
Vortex is where The Bat used to be. The Bat was the world's first suspended roller coaster. There have been more than 38 million rides on Vortex. It is one of the most popular attractions at Kings Island.