Mystic Dunes Golf Club is owned by a company headquartered in what city? 
Mystic Dunes Golf Club:  The golf club resides on the Mystic Dunes Resort & Golf Club timeshare resort owned by Diamond Resorts International, and was previously known as the "Wyndham Palms Resort and Country Club". Diamond Resorts International: Diamond Resorts International (DRI) is a timeshare company headquartered in Las Vegas, Nevada.
Las Vegas, Nevada