INDOOR AMUSEMENT PARK Adventuredome at Circus Circus Hotel and Casino, Las Vegas NV Rapid motion and glass don’t mix—except in Vegas, where crazy ideas always seem to work out for the best. Case in point: this geodesic dome’s Canyon Blaster—the world’s only indoor double-corkscrew/double-loop roller coaster. Fearless visitors can also test their stomachs on the spinning Disk’O, a tower-drop ride called the Sling Shot, and an indoor bungee fall.
