The biggest permanent big top in the world can be found rising in all its colorful glory in Las Vegas. More than 3.5 million people a year stop by to experience the live entertainment and whimsy that Circus Circus has to offer. The resort lies on 70 acres of land, and with nearly 3,800 rooms, it's the fifth-largest resort-casino in Vegas.
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.