A five-acre indoor amusement park with enough attractions to keep even the most energetic kids busy for a few hours, Adventuredome has several roller coasters, a video game arcade, laser tag, and plenty of rides to suit all age groups. It's located in the Circus Circus complex, and is fully air-conditioned, so a great way to be active without the Las Vegas heat. Tickets average $5 to $8 per ride.