Introduction to Grand Duke Winery: Furstliche Hofkellerei and Rotes Haus are both very famous local wine estates. Furstliche Hofkellerei is the property of the Grand Duke of Liechtenstein and you can join a local group tour; Red House Winery The Red House Winery is the best viewing point overlooking Vaduz Castle. One of the sightseeing train stops will be at the Red House Winery, allowing tourists to take pictures of the castle.