Six Flags over Texas celebrated its 55th year of operation Friday. The park originally opened to the public August 5, 1961.

To celebrate the park is hosting Celebration of Thrills. Guests can get a punch card between August 5th-21st containing a list of attractions. After experiencing each attraction and getting the card punched by the ride operators, guests can drop off the punch card as an entry into a sweepstakes to win one of six 2017 season passes.