Does Circus Circus in Las Vegas turn their whole theme park into a haunted house for Halloween?

Circus Circus turns the entire Adventuredome theme park into a huge Halloween event. They add in 5 Haunted Houses, 25 rides and attractions, over 160 actors, celebrity appearances and much more. They have been ranked the 4th scariest Haunted Attraction 3 years in a row by AOL and the Travel Channel. Go to for more details. It is well worth the trip to Las Vegas.