Gray Line Las Vegas is part of Dallas-based Coach America, the nation's leading providers of motorcoach services.\nSeveral Tours are available: Grand Canyon West Rim With Skywalk Entrance, Grand Canyon South Rim Tour, Grand Canyon West Rim Tour, Gray Line's Original Mini Hoover Dam Tour, Lake Mead Cruise & Dam Combo, Las Vegas Neon Lights Tour, Colorado River Raft Tour, Airport Shuttle Service,...