At Fright Dome, it was scare or be scared. It’s been five years since the last Fright Dome brought its annual Halloween haunted houses, actors and gore to Adventuredome Theme Park at Circus Circus.

It may seem counterintuitive, but a kid crying when leaving Circus Circus is considered a sign of success. If they’re crying, it means they’re having so much fun that they don’t want to leave, said ...