Come see the Dark Side of the Gardens! Howl-O-Scream 2012 unlocks the fear that grows behind the gate, where your own curiosity may seal your fate with more devious surprises than ever before. Experience a whole new level of fear in seven terrorizing haunted houses, be captivated with menacing creatures in a variety of shows, and relive 13 years of memories in the heart stopping scare zones. Busch Gardens, Tampa, FL Thursday - Saturday, September 21 - October 27, 2012. Thursdays 7:30 p.m. to 1:00 a.m. Fridays and Saturdays 7:30 p.m. to 2:00 a.m.