After you've exhausted all of your desires to gamble and eat at the buffet, it's a nice day trip out to Red Rock Canyon State Park (about 15 miles outside of Las Vegas, Nevada).
Once you get to the park, there's a driving loop that starts at the visitor's center and runs through the park. The driving loop takes about 45 minutes and is nice if your time is limited or if you're traveling with people who can't walk. All along the driving loop are turnouts that offer trailheads as well as maximum photo opportunities.
Trails meander all through the park; some are easy and short, while others are more suitable for experienced hikers. All trails and photo turnouts offer spectacular views of the mountains and valley. One trail takes you to Ricardo Campground, the only designated area for camping.
If you'd like to get off the beaten path of the Las Vegas strip, head out to Red Rock Canyon. The best time to go is in October, when it's cool enough for comfort, but not yet rainy or snowy. But do bring a broad-brimmed hat, sunglasses and water. And of course, your camera!