Location: Six Flags Magic Mountain, Los Angeles, California
Rider Capacity: 1,700 passengers per hour
Estimated Cost: $8 million
When Viper opened in April 1990, it was the tallest and fastest looping coaster in the world, with a vertical loop 143-feet tall. The coaster’s three other loops–a 90-foot loop, a 62-foot loop, a boomerang and a double corkscrew–take riders to dizzying new heights.