Six Flags plans to shut down one of its West Coast parks before its lease ends in three years, the latest site of the entertainment group to meet an ultimate demise.Six Flags California’s Great America is expected to close its doors for the last time at the end of the 2027 season.The park’s fate was revealed after a recent investors’ meeting. 3 California Great Adventure in Santa Clara, Calif. Facebook“Unless we decide to extend, and exercise one of our options to extend that lease, that park’s last year ...