Grab some maps or brochures at Red Rock Canyon Visitor Center. This place will have all the info you need to make the most of your stay in the area.
You're spoiled for sightseeing choice in Mount Charleston. Red Rock Canyon Visitor Center is a great place to kick off here, but there are loads of other worthwhile sights to check out. Red Rock Casino, Downtown Summerlin, and Las Vegas Ballpark are not far from the tourist information center and will fill in your day nicely.