New Year's 360 Fireworks Celebration lights up the sky at Six Flags Fiesta Texas in San Antonio on New Year's Eve. Thousands of fireworks launch from the towering quarry walls around the park, so the bursts of color fill the sky from every direction. It's a massive, surround-sound style spectacle of light and noise that turns the park into one big New Year's party. Fiesta Texas is a theme park with rides and holiday lights, so the night feels festive from start to finish.