Happy anniversary to The Phantom's Revenge. The roller coaster opened to riders at Kennywood Park on May 19, 2001.ARCHIVE: Take a look back at The Phantom's Revenge -- click the video player above.The high-speed thrill ride was the replacement for The Steel Phantom, even using the first two hills from the original coaster.Kennywood recently kicked off its 123rd season. The amusement park is open on weekends, with expanded operations set to begin June 2.